Tcl Source Code

    NOTE(REG_ULOCALE);

    /*
     * Search table.
     */

    Tcl_DStringInit(&ds);
    np = Tcl_UniCharToUtfDString(startp, (int)len, &ds);
    for (cn=cnames; cn->name!=NULL; cn++) {
	if (strlen(cn->name)==len && strncmp(cn->name, np, len)==0) {
	    break;			/* NOTE BREAK OUT */
	}
    }
    Tcl_DStringFree(&ds);
    if (cn->name != NULL) {

    /*
     * Extract the class name
     */

    len = endp - startp;
    Tcl_DStringInit(&ds);
    np = Tcl_UniCharToUtfDString(startp, (int)len, &ds);

    /*
     * Map the name to the corresponding enumerated value.
     */

    index = -1;
    for (namePtr=classNames,i=0 ; *namePtr!=NULL ; namePtr++,i++) {

	    const char *name, const char *version, int exact,
	    void *clientDataPtr)
}
declare 2 {
    void Tcl_Panic(const char *format, ...)
}
declare 3 {
    char *Tcl_Alloc(unsigned int size)
}
declare 4 {
    void Tcl_Free(char *ptr)
}
declare 5 {
    char *Tcl_Realloc(char *ptr, unsigned int size)
}
declare 6 {
    char *Tcl_DbCkalloc(unsigned int size, const char *file, int line)
}
declare 7 {
    void Tcl_DbCkfree(char *ptr, const char *file, int line)
}
declare 8 {
    char *Tcl_DbCkrealloc(char *ptr, unsigned int size,
	    const char *file, int line)
}

# Tcl_CreateFileHandler and Tcl_DeleteFileHandler are only available on unix,
# but they are part of the old generic interface, so we include them here for
# compatibility reasons.

declare 14 {
    int Tcl_AppendAllObjTypes(Tcl_Interp *interp, Tcl_Obj *objPtr)
}
declare 15 {
    void Tcl_AppendStringsToObj(Tcl_Obj *objPtr, ...)
}
declare 16 {
    void Tcl_AppendToObj(Tcl_Obj *objPtr, const char *bytes, int length)
}
declare 17 {
    Tcl_Obj *Tcl_ConcatObj(int objc, Tcl_Obj *const objv[])
}
declare 18 {
    int Tcl_ConvertToType(Tcl_Interp *interp, Tcl_Obj *objPtr,
	    const Tcl_ObjType *typePtr)
}
declare 19 {
    void Tcl_DbDecrRefCount(Tcl_Obj *objPtr, const char *file, int line)
}
declare 20 {
    void Tcl_DbIncrRefCount(Tcl_Obj *objPtr, const char *file, int line)
}
declare 21 {
    int Tcl_DbIsShared(Tcl_Obj *objPtr, const char *file, int line)
}
declare 22 {
    Tcl_Obj *Tcl_DbNewBooleanObj(int boolValue, const char *file, int line)
}
declare 23 {
    Tcl_Obj *Tcl_DbNewByteArrayObj(const unsigned char *bytes, int length,
	    const char *file, int line)
}
declare 24 {
    Tcl_Obj *Tcl_DbNewDoubleObj(double doubleValue, const char *file,
	    int line)
}
declare 25 {
    Tcl_Obj *Tcl_DbNewListObj(int objc, Tcl_Obj *const *objv,
	    const char *file, int line)
}
declare 26 {
    Tcl_Obj *Tcl_DbNewLongObj(long longValue, const char *file, int line)
}
declare 27 {
    Tcl_Obj *Tcl_DbNewObj(const char *file, int line)
}
declare 28 {
    Tcl_Obj *Tcl_DbNewStringObj(const char *bytes, int length,
	    const char *file, int line)
}
declare 29 {
    Tcl_Obj *Tcl_DuplicateObj(Tcl_Obj *objPtr)
}
declare 30 {
    void TclFreeObj(Tcl_Obj *objPtr)
}
declare 31 {
    int Tcl_GetBoolean(Tcl_Interp *interp, const char *src, int *boolPtr)
}
declare 32 {
    int Tcl_GetBooleanFromObj(Tcl_Interp *interp, Tcl_Obj *objPtr,
	    int *boolPtr)
}
declare 33 {
    unsigned char *Tcl_GetByteArrayFromObj(Tcl_Obj *objPtr, int *lengthPtr)

}
declare 34 {
    int Tcl_GetDouble(Tcl_Interp *interp, const char *src, double *doublePtr)
}
declare 35 {
    int Tcl_GetDoubleFromObj(Tcl_Interp *interp, Tcl_Obj *objPtr,
	    double *doublePtr)

declare 39 {
    int Tcl_GetLongFromObj(Tcl_Interp *interp, Tcl_Obj *objPtr, long *longPtr)
}
declare 40 {
    const Tcl_ObjType *Tcl_GetObjType(const char *typeName)
}
declare 41 {
    char *Tcl_GetStringFromObj(Tcl_Obj *objPtr, int *lengthPtr)
}
declare 42 {
    void Tcl_InvalidateStringRep(Tcl_Obj *objPtr)
}
declare 43 {
    int Tcl_ListObjAppendList(Tcl_Interp *interp, Tcl_Obj *listPtr,
	    Tcl_Obj *elemListPtr)
}
declare 44 {
    int Tcl_ListObjAppendElement(Tcl_Interp *interp, Tcl_Obj *listPtr,
	    Tcl_Obj *objPtr)
}
declare 45 {
    int Tcl_ListObjGetElements(Tcl_Interp *interp, Tcl_Obj *listPtr,
	    int *objcPtr, Tcl_Obj ***objvPtr)
}
declare 46 {
    int Tcl_ListObjIndex(Tcl_Interp *interp, Tcl_Obj *listPtr, int index,
	    Tcl_Obj **objPtrPtr)
}
declare 47 {
    int Tcl_ListObjLength(Tcl_Interp *interp, Tcl_Obj *listPtr,
	    int *lengthPtr)
}
declare 48 {
    int Tcl_ListObjReplace(Tcl_Interp *interp, Tcl_Obj *listPtr, int first,
	    int count, int objc, Tcl_Obj *const objv[])
}
declare 49 {
    Tcl_Obj *Tcl_NewBooleanObj(int boolValue)
}
declare 50 {
    Tcl_Obj *Tcl_NewByteArrayObj(const unsigned char *bytes, int length)
}
declare 51 {
    Tcl_Obj *Tcl_NewDoubleObj(double doubleValue)
}
declare 52 {
    Tcl_Obj *Tcl_NewIntObj(int intValue)
}
declare 53 {
    Tcl_Obj *Tcl_NewListObj(int objc, Tcl_Obj *const objv[])
}
declare 54 {
    Tcl_Obj *Tcl_NewLongObj(long longValue)
}
declare 55 {
    Tcl_Obj *Tcl_NewObj(void)
}
declare 56 {
    Tcl_Obj *Tcl_NewStringObj(const char *bytes, int length)
}
declare 57 {
    void Tcl_SetBooleanObj(Tcl_Obj *objPtr, int boolValue)
}
declare 58 {
    unsigned char *Tcl_SetByteArrayLength(Tcl_Obj *objPtr, int length)
}
declare 59 {
    void Tcl_SetByteArrayObj(Tcl_Obj *objPtr, const unsigned char *bytes,
	    int length)
}
declare 60 {
    void Tcl_SetDoubleObj(Tcl_Obj *objPtr, double doubleValue)
}
declare 61 {
    void Tcl_SetIntObj(Tcl_Obj *objPtr, int intValue)
}
declare 62 {
    void Tcl_SetListObj(Tcl_Obj *objPtr, int objc, Tcl_Obj *const objv[])
}
declare 63 {
    void Tcl_SetLongObj(Tcl_Obj *objPtr, long longValue)
}
declare 64 {
    void Tcl_SetObjLength(Tcl_Obj *objPtr, int length)
}
declare 65 {
    void Tcl_SetStringObj(Tcl_Obj *objPtr, const char *bytes, int length)
}
declare 66 {
    void Tcl_AddErrorInfo(Tcl_Interp *interp, const char *message)
}
# Removed in 9.0:
#declare 67 {
#    void Tcl_AddObjErrorInfo(Tcl_Interp *interp, const char *message,

declare 81 {
    int Tcl_Close(Tcl_Interp *interp, Tcl_Channel chan)
}
declare 82 {
    int Tcl_CommandComplete(const char *cmd)
}
declare 83 {
    char *Tcl_Concat(int argc, const char *const *argv)
}
declare 84 {
    int Tcl_ConvertElement(const char *src, char *dst, int flags)
}
declare 85 {
    int Tcl_ConvertCountedElement(const char *src, int length, char *dst,
	    int flags)
}
declare 86 {
    int Tcl_CreateAlias(Tcl_Interp *slave, const char *slaveCmd,
	    Tcl_Interp *target, const char *targetCmd, int argc,
	    const char *const *argv)
}
declare 87 {
    int Tcl_CreateAliasObj(Tcl_Interp *slave, const char *slaveCmd,
	    Tcl_Interp *target, const char *targetCmd, int objc,
	    Tcl_Obj *const objv[])
}
declare 88 {
    Tcl_Channel Tcl_CreateChannel(const Tcl_ChannelType *typePtr,
	    const char *chanName, ClientData instanceData, int mask)
}
declare 89 {

declare 115 {
    int Tcl_DoOneEvent(int flags)
}
declare 116 {
    void Tcl_DoWhenIdle(Tcl_IdleProc *proc, ClientData clientData)
}
declare 117 {
    char *Tcl_DStringAppend(Tcl_DString *dsPtr, const char *bytes, int length)

}
declare 118 {
    char *Tcl_DStringAppendElement(Tcl_DString *dsPtr, const char *element)
}
declare 119 {
    void Tcl_DStringEndSublist(Tcl_DString *dsPtr)
}
declare 120 {
    void Tcl_DStringFree(Tcl_DString *dsPtr)
}
declare 121 {
    void Tcl_DStringGetResult(Tcl_Interp *interp, Tcl_DString *dsPtr)
}
declare 122 {
    void Tcl_DStringInit(Tcl_DString *dsPtr)
}
declare 123 {
    void Tcl_DStringResult(Tcl_Interp *interp, Tcl_DString *dsPtr)
}
declare 124 {
    void Tcl_DStringSetLength(Tcl_DString *dsPtr, int length)
}
declare 125 {
    void Tcl_DStringStartSublist(Tcl_DString *dsPtr)
}
declare 126 {
    int Tcl_Eof(Tcl_Channel chan)
}

}
declare 147 {
    void Tcl_FreeResult(Tcl_Interp *interp)
}
declare 148 {
    int Tcl_GetAlias(Tcl_Interp *interp, const char *slaveCmd,
	    Tcl_Interp **targetInterpPtr, const char **targetCmdPtr,
	    int *argcPtr, const char ***argvPtr)
}
declare 149 {
    int Tcl_GetAliasObj(Tcl_Interp *interp, const char *slaveCmd,
	    Tcl_Interp **targetInterpPtr, const char **targetCmdPtr,
	    int *objcPtr, Tcl_Obj ***objv)
}
declare 150 {
    ClientData Tcl_GetAssocData(Tcl_Interp *interp, const char *name,
	    Tcl_InterpDeleteProc **procPtr)
}
declare 151 {
    Tcl_Channel Tcl_GetChannel(Tcl_Interp *interp, const char *chanName,

}
# Obsolete.  Should now use Tcl_FSGetPathType which is objectified
# and therefore usually faster.
declare 168 {
    Tcl_PathType Tcl_GetPathType(const char *path)
}
declare 169 {
    int Tcl_Gets(Tcl_Channel chan, Tcl_DString *dsPtr)
}
declare 170 {
    int Tcl_GetsObj(Tcl_Channel chan, Tcl_Obj *objPtr)
}
declare 171 {
    int Tcl_GetServiceMode(void)
}
declare 172 {
    Tcl_Interp *Tcl_GetSlave(Tcl_Interp *interp, const char *slaveName)
}

    int Tcl_InterpDeleted(Tcl_Interp *interp)
}
declare 185 {
    int Tcl_IsSafe(Tcl_Interp *interp)
}
# Obsolete, use Tcl_FSJoinPath
declare 186 {
    char *Tcl_JoinPath(int argc, const char *const *argv,
	    Tcl_DString *resultPtr)
}
declare 187 {
    int Tcl_LinkVar(Tcl_Interp *interp, const char *varName, char *addr,
	    int type)
}

declare 190 {
    int Tcl_MakeSafe(Tcl_Interp *interp)
}
declare 191 {
    Tcl_Channel Tcl_MakeTcpClientChannel(ClientData tcpSocket)
}
declare 192 {
    char *Tcl_Merge(int argc, const char *const *argv)
}
declare 193 {
    Tcl_HashEntry *Tcl_NextHashEntry(Tcl_HashSearch *searchPtr)
}
declare 194 {
    void Tcl_NotifyChannel(Tcl_Channel channel, int mask)
}
declare 195 {
    Tcl_Obj *Tcl_ObjGetVar2(Tcl_Interp *interp, Tcl_Obj *part1Ptr,
	    Tcl_Obj *part2Ptr, int flags)
}
declare 196 {
    Tcl_Obj *Tcl_ObjSetVar2(Tcl_Interp *interp, Tcl_Obj *part1Ptr,
	    Tcl_Obj *part2Ptr, Tcl_Obj *newValuePtr, int flags)
}
declare 197 {
    Tcl_Channel Tcl_OpenCommandChannel(Tcl_Interp *interp, int argc,
	    const char **argv, int flags)
}
# This is obsolete, use Tcl_FSOpenFileChannel
declare 198 {
    Tcl_Channel Tcl_OpenFileChannel(Tcl_Interp *interp, const char *fileName,
	    const char *modeString, int permissions)
}

declare 204 {
    const char *Tcl_PosixError(Tcl_Interp *interp)
}
declare 205 {
    void Tcl_QueueEvent(Tcl_Event *evPtr, Tcl_QueuePosition position)
}
declare 206 {
    int Tcl_Read(Tcl_Channel chan, char *bufPtr, int toRead)
}
declare 207 {
    void Tcl_ReapDetachedProcs(void)
}
declare 208 {
    int Tcl_RecordAndEval(Tcl_Interp *interp, const char *cmd, int flags)
}

declare 216 {
    void Tcl_Release(ClientData clientData)
}
declare 217 {
    void Tcl_ResetResult(Tcl_Interp *interp)
}
declare 218 {
    int Tcl_ScanElement(const char *src, int *flagPtr)
}
declare 219 {
    int Tcl_ScanCountedElement(const char *src, int length, int *flagPtr)
}
# Removed in Tcl 9
#declare 220 {
#    int Tcl_SeekOld(Tcl_Channel chan, int offset, int mode)
#}
declare 221 {
    int Tcl_ServiceAll(void)

declare 240 {
    const char *Tcl_SignalMsg(int sig)
}
declare 241 {
    void Tcl_SourceRCFile(Tcl_Interp *interp)
}
declare 242 {
    int Tcl_SplitList(Tcl_Interp *interp, const char *listStr, int *argcPtr,
	    const char ***argvPtr)
}
# Obsolete, use Tcl_FSSplitPath
declare 243 {
    void Tcl_SplitPath(const char *path, int *argcPtr, const char ***argvPtr)

}
declare 244 {
    void Tcl_StaticPackage(Tcl_Interp *interp, const char *pkgName,
	    Tcl_PackageInitProc *initProc, Tcl_PackageInitProc *safeInitProc)
}
declare 245 {
    int Tcl_StringMatch(const char *str, const char *pattern)

	    int flags, Tcl_VarTraceProc *proc, ClientData clientData)
}
declare 249 {
    char *Tcl_TranslateFileName(Tcl_Interp *interp, const char *name,
	    Tcl_DString *bufferPtr)
}
declare 250 {
    int Tcl_Ungets(Tcl_Channel chan, const char *str, int len, int atHead)
}
declare 251 {
    void Tcl_UnlinkVar(Tcl_Interp *interp, const char *varName)
}
declare 252 {
    int Tcl_UnregisterChannel(Tcl_Interp *interp, Tcl_Channel chan)
}

#}
declare 262 {
    ClientData Tcl_VarTraceInfo2(Tcl_Interp *interp, const char *part1,
	    const char *part2, int flags, Tcl_VarTraceProc *procPtr,
	    ClientData prevClientData)
}
declare 263 {
    int Tcl_Write(Tcl_Channel chan, const char *s, int slen)
}
declare 264 {
    void Tcl_WrongNumArgs(Tcl_Interp *interp, int objc,
	    Tcl_Obj *const objv[], const char *message)
}
declare 265 {
    int Tcl_DumpActiveMemory(const char *fileName)
}
declare 266 {
    void Tcl_ValidateAllMemory(const char *file, int line)

    void Tcl_DeleteThreadExitHandler(Tcl_ExitProc *proc, ClientData clientData)
}
# Removed in 9.0:
#declare 290 {
#    void Tcl_DiscardResult(Tcl_SavedResult *statePtr)
#}
declare 291 {
    int Tcl_EvalEx(Tcl_Interp *interp, const char *script, int numBytes,
	    int flags)
}
declare 292 {
    int Tcl_EvalObjv(Tcl_Interp *interp, int objc, Tcl_Obj *const objv[],
	    int flags)
}
declare 293 {
    int Tcl_EvalObjEx(Tcl_Interp *interp, Tcl_Obj *objPtr, int flags)
}
declare 294 {
    void Tcl_ExitThread(int status)
}
declare 295 {
    int Tcl_ExternalToUtf(Tcl_Interp *interp, Tcl_Encoding encoding,
	    const char *src, int srcLen, int flags,
	    Tcl_EncodingState *statePtr, char *dst, int dstLen,
	    int *srcReadPtr, int *dstWrotePtr, int *dstCharsPtr)
}
declare 296 {
    char *Tcl_ExternalToUtfDString(Tcl_Encoding encoding,
	    const char *src, int srcLen, Tcl_DString *dsPtr)
}
declare 297 {
    void Tcl_FinalizeThread(void)
}
declare 298 {
    void Tcl_FinalizeNotifier(ClientData clientData)
}

    void Tcl_ConditionNotify(Tcl_Condition *condPtr)
}
declare 311 {
    void Tcl_ConditionWait(Tcl_Condition *condPtr, Tcl_Mutex *mutexPtr,
	    const Tcl_Time *timePtr)
}
declare 312 {
    int Tcl_NumUtfChars(const char *src, int length)
}
declare 313 {
    int Tcl_ReadChars(Tcl_Channel channel, Tcl_Obj *objPtr, int charsToRead,
	    int appendFlag)
}
# Removed in 9.0:
#declare 314 {
#    void Tcl_RestoreResult(Tcl_Interp *interp, Tcl_SavedResult *statePtr)
#}
# Removed in 9.0:
#declare 315 {

    void Tcl_ThreadAlert(Tcl_ThreadId threadId)
}
declare 319 {
    void Tcl_ThreadQueueEvent(Tcl_ThreadId threadId, Tcl_Event *evPtr,
	    Tcl_QueuePosition position)
}
declare 320 {
    Tcl_UniChar Tcl_UniCharAtIndex(const char *src, int index)
}
declare 321 {
    Tcl_UniChar Tcl_UniCharToLower(int ch)
}
declare 322 {
    Tcl_UniChar Tcl_UniCharToTitle(int ch)
}
declare 323 {
    Tcl_UniChar Tcl_UniCharToUpper(int ch)
}
declare 324 {
    int Tcl_UniCharToUtf(int ch, char *buf)
}
declare 325 {
    const char *Tcl_UtfAtIndex(const char *src, int index)
}
declare 326 {
    int Tcl_UtfCharComplete(const char *src, int length)
}
declare 327 {
    int Tcl_UtfBackslash(const char *src, int *readPtr, char *dst)
}
declare 328 {
    const char *Tcl_UtfFindFirst(const char *src, int ch)
}
declare 329 {
    const char *Tcl_UtfFindLast(const char *src, int ch)
}
declare 330 {
    const char *Tcl_UtfNext(const char *src)
}
declare 331 {
    const char *Tcl_UtfPrev(const char *src, const char *start)
}
declare 332 {
    int Tcl_UtfToExternal(Tcl_Interp *interp, Tcl_Encoding encoding,
	    const char *src, int srcLen, int flags,
	    Tcl_EncodingState *statePtr, char *dst, int dstLen,
	    int *srcReadPtr, int *dstWrotePtr, int *dstCharsPtr)
}
declare 333 {
    char *Tcl_UtfToExternalDString(Tcl_Encoding encoding,
	    const char *src, int srcLen, Tcl_DString *dsPtr)
}
declare 334 {
    int Tcl_UtfToLower(char *src)
}
declare 335 {
    int Tcl_UtfToTitle(char *src)
}
declare 336 {
    int Tcl_UtfToUniChar(const char *src, Tcl_UniChar *chPtr)
}
declare 337 {
    int Tcl_UtfToUpper(char *src)
}
declare 338 {
    int Tcl_WriteChars(Tcl_Channel chan, const char *src, int srcLen)
}
declare 339 {
    int Tcl_WriteObj(Tcl_Channel chan, Tcl_Obj *objPtr)
}
declare 340 {
    char *Tcl_GetString(Tcl_Obj *objPtr)
}
# Removed in 9.0
#declare 341 {
#    const char *Tcl_GetDefaultEncodingDir(void)

}
declare 353 {
    int Tcl_UniCharNcmp(const Tcl_UniChar *ucs, const Tcl_UniChar *uct,
	    size_t numChars)
}
declare 354 {
    char *Tcl_UniCharToUtfDString(const Tcl_UniChar *uniStr,
	    int uniLength, Tcl_DString *dsPtr)
}
declare 355 {
    Tcl_UniChar *Tcl_UtfToUniCharDString(const char *src,
	    int length, Tcl_DString *dsPtr)
}
declare 356 {
    Tcl_RegExp Tcl_GetRegExpFromObj(Tcl_Interp *interp, Tcl_Obj *patObj,
	    int flags)
}
# Removed in 9.0:
#declare 357 {
#    Tcl_Obj *Tcl_EvalTokens(Tcl_Interp *interp, Tcl_Token *tokenPtr,
#	    int count)
#}
declare 358 {
    void Tcl_FreeParse(Tcl_Parse *parsePtr)
}
declare 359 {
    void Tcl_LogCommandInfo(Tcl_Interp *interp, const char *script,
	    const char *command, int length)
}
declare 360 {
    int Tcl_ParseBraces(Tcl_Interp *interp, const char *start, int numBytes,
	    Tcl_Parse *parsePtr, int append, const char **termPtr)

}
declare 361 {
    int Tcl_ParseCommand(Tcl_Interp *interp, const char *start, int numBytes,
	    int nested, Tcl_Parse *parsePtr)
}
declare 362 {
    int Tcl_ParseExpr(Tcl_Interp *interp, const char *start, int numBytes,
	    Tcl_Parse *parsePtr)
}
declare 363 {
    int Tcl_ParseQuotedString(Tcl_Interp *interp, const char *start,
	    int numBytes, Tcl_Parse *parsePtr, int append,
	    const char **termPtr)
}
declare 364 {
    int Tcl_ParseVarName(Tcl_Interp *interp, const char *start, int numBytes,
	    Tcl_Parse *parsePtr, int append)
}
# These 4 functions are obsolete, use Tcl_FSGetCwd, Tcl_FSChdir,
# Tcl_FSAccess and Tcl_FSStat
declare 365 {
    char *Tcl_GetCwd(Tcl_Interp *interp, Tcl_DString *cwdPtr)
}
declare 366 {

    int Tcl_RegExpExecObj(Tcl_Interp *interp, Tcl_RegExp regexp,
	    Tcl_Obj *textObj, int offset, int nmatches, int flags)
}
declare 377 {
    void Tcl_RegExpGetInfo(Tcl_RegExp regexp, Tcl_RegExpInfo *infoPtr)
}
declare 378 {
    Tcl_Obj *Tcl_NewUnicodeObj(const Tcl_UniChar *unicode, int numChars)
}
declare 379 {
    void Tcl_SetUnicodeObj(Tcl_Obj *objPtr, const Tcl_UniChar *unicode,
	    int numChars)
}
declare 380 {
    int Tcl_GetCharLength(Tcl_Obj *objPtr)
}
declare 381 {
    Tcl_UniChar Tcl_GetUniChar(Tcl_Obj *objPtr, int index)
}
declare 382 {
    Tcl_UniChar *Tcl_GetUnicode(Tcl_Obj *objPtr)
}
declare 383 {
    Tcl_Obj *Tcl_GetRange(Tcl_Obj *objPtr, int first, int last)
}
declare 384 {
    void Tcl_AppendUnicodeToObj(Tcl_Obj *objPtr, const Tcl_UniChar *unicode,
	    int length)
}
declare 385 {
    int Tcl_RegExpMatchObj(Tcl_Interp *interp, Tcl_Obj *textObj,
	    Tcl_Obj *patternObj)
}
declare 386 {
    void Tcl_SetNotifier(Tcl_NotifierProcs *notifierProcPtr)
}
declare 387 {
    Tcl_Mutex *Tcl_GetAllocMutex(void)
}
declare 388 {
    int Tcl_GetChannelNames(Tcl_Interp *interp)
}
declare 389 {
    int Tcl_GetChannelNamesEx(Tcl_Interp *interp, const char *pattern)
}
declare 390 {
    int Tcl_ProcObjCmd(ClientData clientData, Tcl_Interp *interp,
	    int objc, Tcl_Obj *const objv[])
}
declare 391 {
    void Tcl_ConditionFinalize(Tcl_Condition *condPtr)
}
declare 392 {
    void Tcl_MutexFinalize(Tcl_Mutex *mutex)
}
declare 393 {
    int Tcl_CreateThread(Tcl_ThreadId *idPtr, Tcl_ThreadCreateProc *proc,
	    ClientData clientData, int stackSize, int flags)
}

# Introduced in 8.3.2
declare 394 {
    int Tcl_ReadRaw(Tcl_Channel chan, char *dst, int bytesToRead)
}
declare 395 {
    int Tcl_WriteRaw(Tcl_Channel chan, const char *src, int srcLen)
}
declare 396 {
    Tcl_Channel Tcl_GetTopChannel(Tcl_Channel chan)
}
declare 397 {
    int Tcl_ChannelBuffered(Tcl_Channel chan)
}

	    Tcl_CommandTraceProc *proc, ClientData clientData)
}
declare 427 {
    void Tcl_UntraceCommand(Tcl_Interp *interp, const char *varName,
	    int flags, Tcl_CommandTraceProc *proc, ClientData clientData)
}
declare 428 {
    char *Tcl_AttemptAlloc(unsigned int size)
}
declare 429 {
    char *Tcl_AttemptDbCkalloc(unsigned int size, const char *file, int line)
}
declare 430 {
    char *Tcl_AttemptRealloc(char *ptr, unsigned int size)
}
declare 431 {
    char *Tcl_AttemptDbCkrealloc(char *ptr, unsigned int size,
	    const char *file, int line)
}
declare 432 {
    int Tcl_AttemptSetObjLength(Tcl_Obj *objPtr, int length)
}

# TIP#10 (thread-aware channels) akupries
declare 433 {
    Tcl_ThreadId Tcl_GetChannelThread(Tcl_Channel channel)
}

# introduced in 8.4a3
declare 434 {
    Tcl_UniChar *Tcl_GetUnicodeFromObj(Tcl_Obj *objPtr, int *lengthPtr)
}

# TIP#15 (math function introspection) dkf
#declare 435 {
#    int Tcl_GetMathFuncInfo(Tcl_Interp *interp, const char *name,
#	    int *numArgsPtr, Tcl_ValueType **argTypesPtr,
#	    Tcl_MathProc **procPtr, ClientData *clientDataPtr)

declare 459 {
    int Tcl_FSConvertToPathType(Tcl_Interp *interp, Tcl_Obj *pathPtr)
}
declare 460 {
    Tcl_Obj *Tcl_FSJoinPath(Tcl_Obj *listObj, int elements)
}
declare 461 {
    Tcl_Obj *Tcl_FSSplitPath(Tcl_Obj *pathPtr, int *lenPtr)
}
declare 462 {
    int Tcl_FSEqualPaths(Tcl_Obj *firstPtr, Tcl_Obj *secondPtr)
}
declare 463 {
    Tcl_Obj *Tcl_FSGetNormalizedPath(Tcl_Interp *interp, Tcl_Obj *pathPtr)
}
declare 464 {
    Tcl_Obj *Tcl_FSJoinToPath(Tcl_Obj *pathPtr, int objc,
	    Tcl_Obj *const objv[])
}
declare 465 {
    ClientData Tcl_FSGetInternalRep(Tcl_Obj *pathPtr,
	    const Tcl_Filesystem *fsPtr)
}
declare 466 {

declare 480 {
    void Tcl_FSMountsChanged(const Tcl_Filesystem *fsPtr)
}

# TIP#56 (evaluate a parsed script) msofer
declare 481 {
    int Tcl_EvalTokensStandard(Tcl_Interp *interp, Tcl_Token *tokenPtr,
	    int count)
}

# TIP#73 (access to current time) kbk
declare 482 {
    void Tcl_GetTime(Tcl_Time *timeBuf)
}

	    Tcl_Obj **valuePtrPtr)
}
declare 496 {
    int Tcl_DictObjRemove(Tcl_Interp *interp, Tcl_Obj *dictPtr,
	    Tcl_Obj *keyPtr)
}
declare 497 {
    int Tcl_DictObjSize(Tcl_Interp *interp, Tcl_Obj *dictPtr, int *sizePtr)

}
declare 498 {
    int Tcl_DictObjFirst(Tcl_Interp *interp, Tcl_Obj *dictPtr,
	    Tcl_DictSearch *searchPtr,
	    Tcl_Obj **keyPtrPtr, Tcl_Obj **valuePtrPtr, int *donePtr)
}
declare 499 {
    void Tcl_DictObjNext(Tcl_DictSearch *searchPtr,
	    Tcl_Obj **keyPtrPtr, Tcl_Obj **valuePtrPtr, int *donePtr)
}
declare 500 {
    void Tcl_DictObjDone(Tcl_DictSearch *searchPtr)
}
declare 501 {
    int Tcl_DictObjPutKeyList(Tcl_Interp *interp, Tcl_Obj *dictPtr,
	    int keyc, Tcl_Obj *const *keyv, Tcl_Obj *valuePtr)
}
declare 502 {
    int Tcl_DictObjRemoveKeyList(Tcl_Interp *interp, Tcl_Obj *dictPtr,
	    int keyc, Tcl_Obj *const *keyv)
}
declare 503 {
    Tcl_Obj *Tcl_NewDictObj(void)
}
declare 504 {
    Tcl_Obj *Tcl_DbNewDictObj(const char *file, int line)
}

declare 572 {
    const char *Tcl_GetEncodingNameFromEnvironment(Tcl_DString *bufPtr)
}

# TIP#268 (extended version numbers and requirements) akupries
declare 573 {
    int Tcl_PkgRequireProc(Tcl_Interp *interp, const char *name,
	    int objc, Tcl_Obj *const objv[], void *clientDataPtr)
}

# TIP#270 (utility C routines for string formatting) dgp
declare 574 {
    void Tcl_AppendObjToErrorInfo(Tcl_Interp *interp, Tcl_Obj *objPtr)
}
declare 575 {
    void Tcl_AppendLimitedToObj(Tcl_Obj *objPtr, const char *bytes, int length,
	    int limit, const char *ellipsis)
}
declare 576 {
    Tcl_Obj *Tcl_Format(Tcl_Interp *interp, const char *format, int objc,
	    Tcl_Obj *const objv[])
}
declare 577 {
    int Tcl_AppendFormatToObj(Tcl_Interp *interp, Tcl_Obj *objPtr,
	    const char *format, int objc, Tcl_Obj *const objv[])
}
declare 578 {
    Tcl_Obj *Tcl_ObjPrintf(const char *format, ...)
}
declare 579 {
    void Tcl_AppendPrintfToObj(Tcl_Obj *objPtr, const char *format, ...)
}

	    Tcl_ObjCmdProc *nreProc, ClientData clientData,
	    Tcl_CmdDeleteProc *deleteProc)
}
declare 584 {
    int Tcl_NREvalObj(Tcl_Interp *interp, Tcl_Obj *objPtr, int flags)
}
declare 585 {
    int Tcl_NREvalObjv(Tcl_Interp *interp, int objc, Tcl_Obj *const objv[],
	    int flags)
}
declare 586 {
    int Tcl_NRCmdSwap(Tcl_Interp *interp, Tcl_Command cmd, int objc,
	    Tcl_Obj *const objv[], int flags)
}
declare 587 {
    void Tcl_NRAddCallback(Tcl_Interp *interp, Tcl_NRPostProc *postProcPtr,
	    ClientData data0, ClientData data1, ClientData data2,
	    ClientData data3)
}
# For use by NR extenders, to have a simple way to also provide a (required!)
# classic objProc
declare 588 {
    int Tcl_NRCallObjProc(Tcl_Interp *interp, Tcl_ObjCmdProc *objProc,
	    ClientData clientData, int objc, Tcl_Obj *const objv[])
}

# TIP#316 (Tcl_StatBuf reader functions) dkf
declare 589 {
    unsigned Tcl_GetFSDeviceFromStat(const Tcl_StatBuf *statPtr)
}
declare 590 {

    int Tcl_GetEnsembleParameterList(Tcl_Interp *interp, Tcl_Command token,
	    Tcl_Obj **paramListPtr)
}

# TIP#265 (option parser) dkf for Sam Bromley
declare 604 {
    int Tcl_ParseArgsObjv(Tcl_Interp *interp, const Tcl_ArgvInfo *argTable,
	    int *objcPtr, Tcl_Obj *const *objv, Tcl_Obj ***remObjv)
}

# TIP#336 (manipulate the error line) dgp
declare 605 {
    int Tcl_GetErrorLine(Tcl_Interp *interp)
}
declare 606 {

}
declare 611 {
    int Tcl_ZlibInflate(Tcl_Interp *interp, int format, Tcl_Obj *data,
	    int buffersize, Tcl_Obj *gzipHeaderDictObj)
}
declare 612 {
    unsigned int Tcl_ZlibCRC32(unsigned int crc, const unsigned char *buf,
	    int len)
}
declare 613 {
    unsigned int Tcl_ZlibAdler32(unsigned int adler, const unsigned char *buf,
	    int len)
}
declare 614 {
    int Tcl_ZlibStreamInit(Tcl_Interp *interp, int mode, int format,
	    int level, Tcl_Obj *dictObj, Tcl_ZlibStream *zshandle)
}
declare 615 {
    Tcl_Obj *Tcl_ZlibStreamGetCommandName(Tcl_ZlibStream zshandle)
}
declare 616 {
    int Tcl_ZlibStreamEof(Tcl_ZlibStream zshandle)
}
declare 617 {
    int Tcl_ZlibStreamChecksum(Tcl_ZlibStream zshandle)
}
declare 618 {
    int Tcl_ZlibStreamPut(Tcl_ZlibStream zshandle, Tcl_Obj *data, int flush)
}
declare 619 {
    int Tcl_ZlibStreamGet(Tcl_ZlibStream zshandle, Tcl_Obj *data, int count)

}
declare 620 {
    int Tcl_ZlibStreamClose(Tcl_ZlibStream zshandle)
}
declare 621 {
    int Tcl_ZlibStreamReset(Tcl_ZlibStream zshandle)
}

################################
# Windows specific functions

# Added in Tcl 8.1

declare 0 win {
    TCHAR *Tcl_WinUtfToTChar(const char *str, int len, Tcl_DString *dsPtr)
}
declare 1 win {
    char *Tcl_WinTCharToUtf(const TCHAR *str, int len, Tcl_DString *dsPtr)
}

################################
# Mac OS X specific functions

declare 0 macosx {
    int Tcl_MacOSXOpenBundleResources(Tcl_Interp *interp,
	    const char *bundleName, int hasResourceFile,
	    int maxPathLen, char *libraryPath)
}
declare 1 macosx {
    int Tcl_MacOSXOpenVersionedBundleResources(Tcl_Interp *interp,
	    const char *bundleName, const char *bundleVersion,
	    int hasResourceFile, int maxPathLen, char *libraryPath)
}

##############################################################################

# Public functions that are not accessible via the stubs table.

export {

 * Also, many extensions need stdio.h, and they've grown accustomed to tcl.h
 * providing it for them rather than #include-ing it themselves as they
 * should, so also for their sake, we keep the #include to be consistent with
 * prior Tcl releases.
 */

#include <stdio.h>




/*
 *----------------------------------------------------------------------------
 * Support for functions with a variable number of arguments.
 *
 * The following TCL_VARARGS* macros are to support old extensions
 * written for older versions of Tcl where the macros permitted

typedef int (Tcl_AppInitProc) (Tcl_Interp *interp);
typedef int (Tcl_AsyncProc) (ClientData clientData, Tcl_Interp *interp,
	int code);
typedef void (Tcl_ChannelProc) (ClientData clientData, int mask);
typedef void (Tcl_CloseProc) (ClientData data);
typedef void (Tcl_CmdDeleteProc) (ClientData clientData);
typedef int (Tcl_CmdProc) (ClientData clientData, Tcl_Interp *interp,
	int argc, const char *argv[]);
typedef void (Tcl_CmdTraceProc) (ClientData clientData, Tcl_Interp *interp,
	int level, char *command, Tcl_CmdProc *proc,
	ClientData cmdClientData, int argc, const char *argv[]);
typedef int (Tcl_CmdObjTraceProc) (ClientData clientData, Tcl_Interp *interp,
	int level, const char *command, Tcl_Command commandInfo, int objc,
	struct Tcl_Obj *const *objv);
typedef void (Tcl_CmdObjTraceDeleteProc) (ClientData clientData);
typedef void (Tcl_DupInternalRepProc) (struct Tcl_Obj *srcPtr,
	struct Tcl_Obj *dupPtr);
typedef int (Tcl_EncodingConvertProc) (ClientData clientData, const char *src,
	int srcLen, int flags, Tcl_EncodingState *statePtr, char *dst,

	int dstLen, int *srcReadPtr, int *dstWrotePtr, int *dstCharsPtr);
typedef void (Tcl_EncodingFreeProc) (ClientData clientData);
typedef int (Tcl_EventProc) (Tcl_Event *evPtr, int flags);
typedef void (Tcl_EventCheckProc) (ClientData clientData, int flags);
typedef int (Tcl_EventDeleteProc) (Tcl_Event *evPtr, ClientData clientData);
typedef void (Tcl_EventSetupProc) (ClientData clientData, int flags);
typedef void (Tcl_ExitProc) (ClientData clientData);
typedef void (Tcl_FileProc) (ClientData clientData, int mask);
typedef void (Tcl_FileFreeProc) (ClientData clientData);
typedef void (Tcl_FreeInternalRepProc) (struct Tcl_Obj *objPtr);
typedef void (Tcl_FreeProc) (char *blockPtr);
typedef void (Tcl_IdleProc) (ClientData clientData);
typedef void (Tcl_InterpDeleteProc) (ClientData clientData,
	Tcl_Interp *interp);
typedef void (Tcl_NamespaceDeleteProc) (ClientData clientData);
typedef int (Tcl_ObjCmdProc) (ClientData clientData, Tcl_Interp *interp,
	int objc, struct Tcl_Obj *const *objv);
typedef int (Tcl_PackageInitProc) (Tcl_Interp *interp);
typedef int (Tcl_PackageUnloadProc) (Tcl_Interp *interp, int flags);
typedef void (Tcl_PanicProc) (const char *format, ...);
typedef void (Tcl_TcpAcceptProc) (ClientData callbackData, Tcl_Channel chan,
	char *address, int port);
typedef void (Tcl_TimerProc) (ClientData clientData);
typedef int (Tcl_SetFromAnyProc) (Tcl_Interp *interp, struct Tcl_Obj *objPtr);

				 * embedded null characters. The array's
				 * storage is allocated by ckalloc. NULL means
				 * the string rep is invalid and must be
				 * regenerated from the internal rep.  Clients
				 * should use Tcl_GetStringFromObj or
				 * Tcl_GetString to get a pointer to the byte
				 * array as a readonly value. */
    int length;			/* The number of bytes at *bytes, not
				 * including the terminating null. */
    const Tcl_ObjType *typePtr;	/* Denotes the object's type. Always
				 * corresponds to the type of the object's
				 * internal rep. NULL indicates the object has
				 * no internal rep (has no type). */
    union {			/* The internal representation: */
	long longValue;		/*   - an long integer value. */

				 *     off the pointer. */
	    void *ptr;
	    unsigned long value;
	} ptrAndLongRep;
    } internalRep;
} Tcl_Obj;









/*
 * Macros to increment and decrement a Tcl_Obj's reference count, and to test
 * whether an object is shared (i.e. has reference count > 1). Note: clients
 * should use Tcl_DecrRefCount() when they are finished using an object, and
 * should never call TclFreeObj() directly. TclFreeObj() is only defined and
 * made public in tcl.h to support Tcl_DecrRefCount's macro definition.
 */

 * WARNING!! The structure definition must be kept consistent with the
 * CallFrame structure in tclInt.h. If you change one, change the other.
 */

typedef struct Tcl_CallFrame {
    Tcl_Namespace *nsPtr;
    int dummy1;
    int dummy2;
    void *dummy3;
    void *dummy4;
    void *dummy5;
    int dummy6;
    void *dummy7;
    void *dummy8;
    int dummy9;
    void *dummy10;
    void *dummy11;
    void *dummy12;
    void *dummy13;
} Tcl_CallFrame;

/*

 * macros Tcl_DStringValue and Tcl_DStringLength.
 */

#define TCL_DSTRING_STATIC_SIZE 200
typedef struct Tcl_DString {
    char *string;		/* Points to beginning of string: either
				 * staticSpace below or a malloced array. */
    int length;			/* Number of non-NULL characters in the
				 * string. */
    int spaceAvl;		/* Total number of bytes available for the
				 * string and its terminating NULL char. */
    char staticSpace[TCL_DSTRING_STATIC_SIZE];
				/* Space to use in common case where string is
				 * small. */
} Tcl_DString;

#define Tcl_DStringLength(dsPtr) ((dsPtr)->length)

struct Tcl_HashTable {
    Tcl_HashEntry **buckets;	/* Pointer to bucket array. Each element
				 * points to first entry in bucket's hash
				 * chain, or NULL. */
    Tcl_HashEntry *staticBuckets[TCL_SMALL_HASH_TABLE];
				/* Bucket array used for small tables (to
				 * avoid mallocs and frees). */
    int numBuckets;		/* Total number of buckets allocated at
				 * **bucketPtr. */
    int numEntries;		/* Total number of entries present in
				 * table. */
    int rebuildSize;		/* Enlarge table when numEntries gets to be
				 * this large. */
    int downShift;		/* Shift count used in hashing function.
				 * Designed to use high-order bits of
				 * randomized keys. */
    int mask;			/* Mask value used in hashing function. */
    int keyType;		/* Type of keys used in this table. It's
				 * either TCL_CUSTOM_KEYS, TCL_STRING_KEYS,
				 * TCL_ONE_WORD_KEYS, or an integer giving the
				 * number of ints that is the size of the
				 * key. */
    Tcl_HashEntry *(*findProc) (Tcl_HashTable *tablePtr, const char *key);
    Tcl_HashEntry *(*createProc) (Tcl_HashTable *tablePtr, const char *key,
	    int *newPtr);
    const Tcl_HashKeyType *typePtr;
				/* Type of the keys used in the
				 * Tcl_HashTable. */
};

/*
 * Structure definition for information used to keep track of searches through
 * hash tables:
 */

typedef struct Tcl_HashSearch {
    Tcl_HashTable *tablePtr;	/* Table being searched. */
    int nextIndex;		/* Index of next bucket to be enumerated after
				 * present one. */
    Tcl_HashEntry *nextEntryPtr;/* Next entry to be enumerated in the current
				 * bucket. */
} Tcl_HashSearch;

/*
 * Acceptable key types for hash tables:

 */

typedef int	(Tcl_DriverBlockModeProc) (ClientData instanceData, int mode);
typedef int	(Tcl_DriverCloseProc) (ClientData instanceData,
			Tcl_Interp *interp);
typedef int	(Tcl_DriverClose2Proc) (ClientData instanceData,
			Tcl_Interp *interp, int flags);
typedef int	(Tcl_DriverInputProc) (ClientData instanceData, char *buf,
			int toRead, int *errorCodePtr);
typedef int	(Tcl_DriverOutputProc) (ClientData instanceData,
			const char *buf, int toWrite, int *errorCodePtr);
typedef int	(Tcl_DriverSeekProc) (ClientData instanceData, long offset,
			int mode, int *errorCodePtr);
typedef int	(Tcl_DriverSetOptionProc) (ClientData instanceData,
			Tcl_Interp *interp, const char *optionName,
			const char *value);
typedef int	(Tcl_DriverGetOptionProc) (ClientData instanceData,
			Tcl_Interp *interp, const char *optionName,

 * token.
 */

typedef struct Tcl_Token {
    int type;			/* Type of token, such as TCL_TOKEN_WORD; see
				 * below for valid types. */
    const char *start;		/* First character in token. */
    int size;			/* Number of bytes in token. */
    int numComponents;		/* If this token is composed of other tokens,
				 * this field tells how many of them there are
				 * (including components of components, etc.).
				 * The component tokens immediately follow
				 * this one. */
} Tcl_Token;

/*

 */

#define NUM_STATIC_TOKENS 20

typedef struct Tcl_Parse {
    const char *commentStart;	/* Pointer to # that begins the first of one
				 * or more comments preceding the command. */
    int commentSize;		/* Number of bytes in comments (up through
				 * newline character that terminates the last
				 * comment). If there were no comments, this
				 * field is 0. */
    const char *commandStart;	/* First character in first word of
				 * command. */
    int commandSize;		/* Number of bytes in command, including first
				 * character of first word, up through the
				 * terminating newline, close bracket, or
				 * semicolon. */
    int numWords;		/* Total number of words in command. May be
				 * 0. */
    Tcl_Token *tokenPtr;	/* Pointer to first token representing the
				 * words of the command. Initially points to
				 * staticTokens, but may change to point to
				 * malloc-ed space if command exceeds space in
				 * staticTokens. */
    int numTokens;		/* Total number of tokens in command. */
    int tokensAvailable;	/* Total number of tokens available at
				 * *tokenPtr. */
    int errorType;		/* One of the parsing error types defined
				 * above. */

    /*
     * The fields below are intended only for the private use of the parser.
     * They should not be used by functions that invoke Tcl_ParseCommand.

 * Types of callback functions for the TCL_ARGV_FUNC and TCL_ARGV_GENFUNC
 * argument types:
 */

typedef int (Tcl_ArgvFuncProc)(ClientData clientData, Tcl_Obj *objPtr,
	void *dstPtr);
typedef int (Tcl_ArgvGenFuncProc)(ClientData clientData, Tcl_Interp *interp,
	int objc, Tcl_Obj *const *objv, void *dstPtr);

/*
 * Shorthand for commonly used argTable entries.
 */

#define TCL_ARGV_AUTO_HELP \
    {TCL_ARGV_HELP,	"-help",	NULL,	NULL, \

 *	None.
 *
 *----------------------------------------------------------------------
 */

char *
TclpAlloc(
    unsigned int numBytes)	/* Number of bytes to allocate. */
{
    return (char *) malloc(numBytes);
}

/*
 *----------------------------------------------------------------------
 *

 *
 *----------------------------------------------------------------------
 */

char *
TclpRealloc(
    char *oldPtr,		/* Pointer to alloced block. */
    unsigned int numBytes)	/* New size of memory. */
{
    return (char *) realloc(oldPtr, numBytes);
}

#endif /* !USE_TCLALLOC */
#endif /* !TCL_THREADS */


				 * generation */
    Tcl_Parse* parsePtr;	/* Parse of the current line of source */
    Tcl_HashTable labelHash;	/* Hash table whose keys are labels and whose
				 * values are 'label' objects storing the code
				 * offsets of the labels. */
    int cmdLine;		/* Current line number within the assembly
				 * code */
    int* clNext;		/* Invisible continuation line for
				 * [info frame] */
    BasicBlock* head_bb;	/* First basic block in the code */
    BasicBlock* curr_bb;	/* Current basic block */
    int maxDepth;		/* Maximum stack depth encountered */
    int curCatchDepth;		/* Current depth of catches */
    int maxCatchDepth;		/* Maximum depth of catches encountered */
    int flags;			/* Compilation flags (TCL_EVAL_DIRECT) */

			    Tcl_Obj* jumpTable);
static int		FindLocalVar(AssemblyEnv* envPtr,
			    Tcl_Token** tokenPtrPtr);
static int		FinishAssembly(AssemblyEnv*);
static void		FreeAssembleCodeInternalRep(Tcl_Obj *objPtr);
static void		FreeAssemblyEnv(AssemblyEnv*);
static int		GetBooleanOperand(AssemblyEnv*, Tcl_Token**, int*);
static int		GetListIndexOperand(AssemblyEnv*, Tcl_Token**, int*);

static int		GetIntegerOperand(AssemblyEnv*, Tcl_Token**, int*);
static int		GetNextOperand(AssemblyEnv*, Tcl_Token**, Tcl_Obj**);
static void		LookForFreshCatches(BasicBlock*, BasicBlock**);
static void		MoveCodeForJumps(AssemblyEnv*, int);
static void		MoveExceptionRangesToBasicBlock(AssemblyEnv*, int,
			    int);
static AssemblyEnv*	NewAssemblyEnv(CompileEnv*, int);

 *-----------------------------------------------------------------------------
 */

int
Tcl_AssembleObjCmd(
    ClientData dummy,		/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    /*
     * Boilerplate - make sure that there is an NRE trampoline on the C stack
     * because there needs to be one in place to execute bytecode.
     */

    return Tcl_NRCallObjProc(interp, TclNRAssembleObjCmd, dummy, objc, objv);
}

int
TclNRAssembleObjCmd(
    ClientData dummy,		/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    ByteCode *codePtr;		/* Pointer to the bytecode to execute */
    Tcl_Obj* backtrace;		/* Object where extra error information is
				 * constructed. */

    if (objc != 2) {

    CompileEnv compEnv;		/* Compilation environment structure */
    register ByteCode *codePtr = NULL;
				/* Bytecode resulting from the assembly */
    Namespace* namespacePtr;	/* Namespace in which variable and command
				 * names in the bytecode resolve */
    int status;			/* Status return from Tcl_AssembleCode */
    const char* source;		/* String representation of the source code */
    int sourceLen;		/* Length of the source code in bytes */


    /*
     * Get the expression ByteCode from the object. If it exists, make sure it
     * is valid in the current context.
     */

     */

    if (TCL_ERROR == TclAssembleCode(envPtr, tokenPtr[1].start,
	    tokenPtr[1].size, TCL_EVAL_DIRECT)) {

	Tcl_AppendObjToErrorInfo(interp, Tcl_ObjPrintf(
		"\n    (\"%.*s\" body, line %d)",
		parsePtr->tokenPtr->size, parsePtr->tokenPtr->start,
		Tcl_GetErrorLine(interp)));
	envPtr->numCommands = numCommands;
	envPtr->codeNext = envPtr->codeStart + offset;
	envPtr->currStackDepth = depth;
	TclCompileSyntaxError(interp, envPtr);
    }
    return TCL_OK;

    Tcl_Obj* instNameObj;	/* Name of the instruction */
    int tblIdx;			/* Index in TalInstructionTable of the
				 * instruction */
    enum TalInstType instType;	/* Type of the instruction */
    Tcl_Obj* operand1Obj = NULL;
				/* First operand to the instruction */
    const char* operand1;	/* String rep of the operand */
    int operand1Len;		/* String length of the operand */
    int opnd;			/* Integer representation of an operand */
    int litIndex;		/* Literal pool index of a constant */
    int localVar;		/* LVT index of a local variable */
    int flags;			/* Flags for a basic block */
    JumptableInfo* jtPtr;	/* Pointer to a jumptable */
    int infoIndex;		/* Index of the jumptable in auxdata */
    int status = TCL_ERROR;	/* Return value from this function */

	BBEmitInstInt4(assemEnvPtr, tblIdx, opnd, opnd);
	break;

    case ASSEM_INDEX:
	if (parsePtr->numWords != 2) {
	    Tcl_WrongNumArgs(interp, 1, &instNameObj, "count");
	    goto cleanup;
	}

	if (GetListIndexOperand(assemEnvPtr, &tokenPtr, &opnd) != TCL_OK) {
	    goto cleanup;





	}
	BBEmitInstInt4(assemEnvPtr, tblIdx, opnd, opnd);
	break;

    case ASSEM_LSET_FLAT:
	if (parsePtr->numWords != 2) {
	    Tcl_WrongNumArgs(interp, 1, &instNameObj, "count");
	    goto cleanup;
	}
	if (GetIntegerOperand(assemEnvPtr, &tokenPtr, &opnd) != TCL_OK) {
	    goto cleanup;
	}
	if (opnd < 2) {
	    if (assemEnvPtr->flags & TCL_EVAL_DIRECT) {
		Tcl_SetObjResult(interp,
			Tcl_NewStringObj("operand must be >=2", -1));
		Tcl_SetErrorCode(interp, "TCL", "ASSEM", "OPERAND>=2", NULL);
	    }
	    goto cleanup;
	}
	BBEmitInstInt4(assemEnvPtr, tblIdx, opnd, opnd);
	break;

 */

static int
CreateMirrorJumpTable(
    AssemblyEnv* assemEnvPtr,	/* Assembly environment */
    Tcl_Obj* jumps)		/* List of alternating keywords and labels */
{
    int objc;			/* Number of elements in the 'jumps' list */
    Tcl_Obj** objv;		/* Pointers to the elements in the list */
    CompileEnv* envPtr = assemEnvPtr->envPtr;
				/* Compilation environment */
    Tcl_Interp* interp = (Tcl_Interp*) envPtr->iPtr;
				/* Tcl interpreter */
    BasicBlock* bbPtr = assemEnvPtr->curr_bb;
				/* Current basic block */

    if (Tcl_ListObjGetElements(interp, jumps, &objc, &objv) != TCL_OK) {
	return TCL_ERROR;
    }
    if (objc % 2 != 0) {
	if (assemEnvPtr->flags & TCL_EVAL_DIRECT) {
	    Tcl_SetObjResult(interp, Tcl_NewStringObj(
		    "jump table must have an even number of list elements",
		    -1));
	    Tcl_SetErrorCode(interp, "TCL", "ASSEM", "BADJUMPTABLE", NULL);
	}
	return TCL_ERROR;
    }

    /*
     * Allocate the jumptable.

    Tcl_Interp* interp = (Tcl_Interp*) assemEnvPtr->envPtr->iPtr;
    Tcl_Obj* operandObj = Tcl_NewObj();

    if (!TclWordKnownAtCompileTime(*tokenPtrPtr, operandObj)) {
	Tcl_DecrRefCount(operandObj);
	if (assemEnvPtr->flags & TCL_EVAL_DIRECT) {
	    Tcl_SetObjResult(interp, Tcl_NewStringObj(
		    "assembly code may not contain substitutions", -1));

	    Tcl_SetErrorCode(interp, "TCL", "ASSEM", "NOSUBST", NULL);
	}
	return TCL_ERROR;
    }
    *tokenPtrPtr = TokenAfter(*tokenPtrPtr);
    Tcl_IncrRefCount(operandObj);
    *operandObjPtr = operandObj;

 *-----------------------------------------------------------------------------
 */

static int
GetListIndexOperand(
    AssemblyEnv* assemEnvPtr,	/* Assembly environment */
    Tcl_Token** tokenPtrPtr,	/* Current token from the parser */
    int* result)		/* OUTPUT: Integer extracted from the token */
{
    CompileEnv* envPtr = assemEnvPtr->envPtr;
				/* Compilation environment */
    Tcl_Interp* interp = (Tcl_Interp*) envPtr->iPtr;
				/* Tcl interpreter */
    Tcl_Token* tokenPtr = *tokenPtrPtr;
				/* INOUT: Pointer to the next token in the

    Tcl_Interp* interp = (Tcl_Interp*) envPtr->iPtr;
				/* Tcl interpreter */
    Tcl_Token* tokenPtr = *tokenPtrPtr;
				/* INOUT: Pointer to the next token in the
				 * source code. */
    Tcl_Obj* varNameObj;	/* Name of the variable */
    const char* varNameStr;
    int varNameLen;
    int localVar;		/* Index of the variable in the LVT */

    if (GetNextOperand(assemEnvPtr, tokenPtrPtr, &varNameObj) != TCL_OK) {
	return -1;
    }
    varNameStr = Tcl_GetStringFromObj(varNameObj, &varNameLen);
    if (CheckNamespaceQualifiers(interp, varNameStr, varNameLen)) {
	Tcl_DecrRefCount(varNameObj);
	return -1;
    }
    localVar = TclFindCompiledLocal(varNameStr, varNameLen, 1, envPtr);
    Tcl_DecrRefCount(varNameObj);
    if (localVar == -1) {
	if (assemEnvPtr->flags & TCL_EVAL_DIRECT) {
	    Tcl_SetObjResult(interp, Tcl_NewStringObj(
		    "cannot use this instruction to create a variable"
		    " in a non-proc context", -1));
	    Tcl_SetErrorCode(interp, "TCL", "ASSEM", "LVT", NULL);
	}
	return -1;
    }
    *tokenPtrPtr = TokenAfter(tokenPtr);
    return localVar;
}

CheckOneByte(
    Tcl_Interp* interp,		/* Tcl interpreter for error reporting */
    int value)			/* Value to check */
{
    Tcl_Obj* result;		/* Error message */

    if (value < 0 || value > 0xff) {
	result = Tcl_NewStringObj("operand does not fit in one byte", -1);

	Tcl_SetObjResult(interp, result);
	Tcl_SetErrorCode(interp, "TCL", "ASSEM", "1BYTE", NULL);
	return TCL_ERROR;
    }
    return TCL_OK;
}


CheckSignedOneByte(
    Tcl_Interp* interp,		/* Tcl interpreter for error reporting */
    int value)			/* Value to check */
{
    Tcl_Obj* result;		/* Error message */

    if (value > 0x7f || value < -0x80) {
	result = Tcl_NewStringObj("operand does not fit in one byte", -1);

	Tcl_SetObjResult(interp, result);
	Tcl_SetErrorCode(interp, "TCL", "ASSEM", "1BYTE", NULL);
	return TCL_ERROR;
    }
    return TCL_OK;
}


CheckNonNegative(
    Tcl_Interp* interp,		/* Tcl interpreter for error reporting */
    int value)			/* Value to check */
{
    Tcl_Obj* result;		/* Error message */

    if (value < 0) {
	result = Tcl_NewStringObj("operand must be nonnegative", -1);
	Tcl_SetObjResult(interp, result);
	Tcl_SetErrorCode(interp, "TCL", "ASSEM", "NONNEGATIVE", NULL);
	return TCL_ERROR;
    }
    return TCL_OK;
}


CheckStrictlyPositive(
    Tcl_Interp* interp,		/* Tcl interpreter for error reporting */
    int value)			/* Value to check */
{
    Tcl_Obj* result;		/* Error message */

    if (value <= 0) {
	result = Tcl_NewStringObj("operand must be positive", -1);
	Tcl_SetObjResult(interp, result);
	Tcl_SetErrorCode(interp, "TCL", "ASSEM", "POSITIVE", NULL);
	return TCL_ERROR;
    }
    return TCL_OK;
}


	 */

	if (blockPtr->initialStackDepth == initialStackDepth) {
	    return TCL_OK;
	}
	if (assemEnvPtr->flags & TCL_EVAL_DIRECT) {
	    Tcl_SetObjResult(interp, Tcl_NewStringObj(
		    "inconsistent stack depths on two execution paths", -1));


	    /*
	     * TODO - add execution trace of both paths
	     */

	    Tcl_SetErrorLine(interp, blockPtr->startLine);
	    Tcl_SetErrorCode(interp, "TCL", "ASSEM", "BADSTACK", NULL);

    /*
     * Calculate minimum stack depth, and flag an error if the block
     * underflows the stack.
     */

    if (initialStackDepth + blockPtr->minStackDepth < 0) {
	if (assemEnvPtr->flags & TCL_EVAL_DIRECT) {
	    Tcl_SetObjResult(interp, Tcl_NewStringObj("stack underflow", -1));

	    Tcl_SetErrorCode(interp, "TCL", "ASSEM", "BADSTACK", NULL);
	    AddBasicBlockRangeToErrorInfo(assemEnvPtr, blockPtr);
	    Tcl_SetErrorLine(interp, blockPtr->startLine);
	}
	return TCL_ERROR;
    }

    /*
     * Make sure that the block doesn't try to pop below the stack level of an
     * enclosing catch.
     */

    if (blockPtr->enclosingCatch != 0 &&
	    initialStackDepth + blockPtr->minStackDepth
	    < (blockPtr->enclosingCatch->initialStackDepth
		+ blockPtr->enclosingCatch->finalStackDepth)) {
	if (assemEnvPtr->flags & TCL_EVAL_DIRECT) {
	    Tcl_SetObjResult(interp, Tcl_NewStringObj(
		    "code pops stack below level of enclosing catch", -1));

	    Tcl_SetErrorCode(interp, "TCL", "ASSEM", "BADSTACKINCATCH", -1);

	    AddBasicBlockRangeToErrorInfo(assemEnvPtr, blockPtr);
	    Tcl_SetErrorLine(interp, blockPtr->startLine);
	}
	return TCL_ERROR;
    }

    /*

    if (bbPtr->catchState == BBCS_UNKNOWN) {
	bbPtr->enclosingCatch = enclosing;
    } else if (bbPtr->enclosingCatch != enclosing) {
	if (assemEnvPtr->flags & TCL_EVAL_DIRECT) {
	    Tcl_SetObjResult(interp, Tcl_NewStringObj(
		    "execution reaches an instruction in inconsistent "
		    "exception contexts", -1));
	    Tcl_SetErrorLine(interp, bbPtr->startLine);
	    Tcl_SetErrorCode(interp, "TCL", "ASSEM", "BADCATCH", NULL);
	}
	return TCL_ERROR;
    }
    if (state > bbPtr->catchState) {
	bbPtr->catchState = state;

	 * If the block ends a catch, the state for the successor is whatever
	 * the state was on entry to the catch.
	 */

	if (enclosing == NULL) {
	    if (assemEnvPtr->flags & TCL_EVAL_DIRECT) {
		Tcl_SetObjResult(interp, Tcl_NewStringObj(
			"endCatch without a corresponding beginCatch", -1));

		Tcl_SetErrorLine(interp, bbPtr->startLine);
		Tcl_SetErrorCode(interp, "TCL", "ASSEM", "BADENDCATCH", NULL);
	    }
	    return TCL_ERROR;
	}
	fallThruEnclosing = enclosing->enclosingCatch;
	fallThruState = enclosing->catchState;

				/* Compilation environment */
    Tcl_Interp* interp = (Tcl_Interp*) envPtr->iPtr;
				/* Tcl interpreter */

    if (assemEnvPtr->curr_bb->catchState >= BBCS_INCATCH) {
	if (assemEnvPtr->flags & TCL_EVAL_DIRECT) {
	    Tcl_SetObjResult(interp, Tcl_NewStringObj(
		    "catch still active on exit from assembly code", -1));

	    Tcl_SetErrorLine(interp,
		    assemEnvPtr->curr_bb->enclosingCatch->startLine);
	    Tcl_SetErrorCode(interp, "TCL", "ASSEM", "UNCLOSEDCATCH", NULL);
	}
	return TCL_ERROR;
    }
    return TCL_OK;

typedef struct {
    Tcl_Interp *interp;		/* Interp this struct belongs to. */
    Tcl_AsyncHandler async;	/* Async handler token for script
				 * cancellation. */
    char *result;		/* The script cancellation result or NULL for
				 * a default result. */
    int length;			/* Length of the above error message. */
    ClientData clientData;	/* Ignored */
    int flags;			/* Additional flags */
} CancelInfo;
static Tcl_HashTable cancelTable;
static int cancelTableInitialized = 0;	/* 0 means not yet initialized. */
TCL_DECLARE_MUTEX(cancelLock)

static Tcl_ObjCmdProc	ExprIsqrtFunc;
static Tcl_ObjCmdProc	ExprRandFunc;
static Tcl_ObjCmdProc	ExprRoundFunc;
static Tcl_ObjCmdProc	ExprSqrtFunc;
static Tcl_ObjCmdProc	ExprSrandFunc;
static Tcl_ObjCmdProc	ExprUnaryFunc;
static Tcl_ObjCmdProc	ExprWideFunc;
static void		MathFuncWrongNumArgs(Tcl_Interp *interp, int expected,

			    int actual, Tcl_Obj *const *objv);
static Tcl_NRPostProc	NRCoroutineCallerCallback;
static Tcl_NRPostProc	NRCoroutineExitCallback;
static int NRCommand(ClientData data[], Tcl_Interp *interp, int result);

static void		ProcessUnexpectedResult(Tcl_Interp *interp,
			    int returnCode);
static int		RewindCoroutine(CoroutineData *corPtr, int result);
static void		TEOV_SwitchVarFrame(Tcl_Interp *interp);
static void		TEOV_PushExceptionHandlers(Tcl_Interp *interp,
			    int objc, Tcl_Obj *const objv[], int flags);
static inline Command *	TEOV_LookupCmdFromObj(Tcl_Interp *interp,
			    Tcl_Obj *namePtr, Namespace *lookupNsPtr);
static int		TEOV_NotFound(Tcl_Interp *interp, int objc,
			    Tcl_Obj *const objv[], Namespace *lookupNsPtr);
static int		TEOV_RunEnterTraces(Tcl_Interp *interp,
			    Command **cmdPtrPtr, Tcl_Obj *commandPtr, int objc,
			    Tcl_Obj *const objv[]);
static Tcl_NRPostProc	RewindCoroutineCallback;
static Tcl_NRPostProc	TailcallCleanup;
static Tcl_NRPostProc	TEOEx_ByteCodeCallback;
static Tcl_NRPostProc	TEOEx_ListCallback;
static Tcl_NRPostProc	TEOV_Error;
static Tcl_NRPostProc	TEOV_Exception;
static Tcl_NRPostProc	TEOV_NotFoundCallback;

     * the source, in order to avoid potential confusion, lets prevent "::" in
     * the token too. - dl
     */

    if (strstr(hiddenCmdToken, "::") != NULL) {
	Tcl_SetObjResult(interp, Tcl_NewStringObj(
		"cannot use namespace qualifiers in hidden command"
		" token (rename)", -1));
        Tcl_SetErrorCode(interp, "TCL", "VALUE", "HIDDENTOKEN", NULL);
	return TCL_ERROR;
    }

    /*
     * Find the command to hide. An error is returned if cmdName can't be
     * found. Look up the command only from the global namespace. Full path of

    /*
     * Check that the command is really in global namespace
     */

    if (cmdPtr->nsPtr != iPtr->globalNsPtr) {
	Tcl_SetObjResult(interp, Tcl_NewStringObj(
                "can only hide global namespace commands (use rename then hide)",
                -1));
        Tcl_SetErrorCode(interp, "TCL", "HIDE", "NON_GLOBAL", NULL);
	return TCL_ERROR;
    }

    /*
     * Initialize the hidden command table if necessary.
     */

     * Check that we have a regular name for the command (that the user is not
     * trying to do an expose and a rename (to another namespace) at the same
     * time).
     */

    if (strstr(cmdName, "::") != NULL) {
	Tcl_SetObjResult(interp, Tcl_NewStringObj(
                "cannot expose to a namespace (use expose to toplevel, then rename)",
                -1));
        Tcl_SetErrorCode(interp, "TCL", "EXPOSE", "NON_GLOBAL", NULL);
	return TCL_ERROR;
    }

    /*
     * Get the command from the hidden command table:
     */

	/*
	 * This case is theoritically impossible, we might rather Tcl_Panic
	 * than 'nicely' erroring out ?
	 */

	Tcl_SetObjResult(interp, Tcl_NewStringObj(
		"trying to expose a non-global command namespace command",
		-1));
	return TCL_ERROR;
    }

    /*
     * This is the global table.
     */

 *----------------------------------------------------------------------
 */

int
TclInvokeStringCommand(
    ClientData clientData,	/* Points to command's Command structure. */
    Tcl_Interp *interp,		/* Current interpreter. */
    register int objc,		/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    Command *cmdPtr = clientData;
    int i, result;

    const char **argv =
	    TclStackAlloc(interp, (unsigned)(objc + 1) * sizeof(char *));

    for (i = 0; i < objc; i++) {
	argv[i] = Tcl_GetString(objv[i]);
    }
    argv[objc] = 0;

    /*

 *----------------------------------------------------------------------
 */

int
TclInvokeObjectCommand(
    ClientData clientData,	/* Points to command's Command structure. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int argc,			/* Number of arguments. */
    register const char **argv)	/* Argument strings. */
{
    Command *cmdPtr = clientData;
    Tcl_Obj *objPtr;

    int i, length, result;
    Tcl_Obj **objv =
	    TclStackAlloc(interp, (unsigned)(argc * sizeof(Tcl_Obj *)));

    for (i = 0; i < argc; i++) {
	length = strlen(argv[i]);
	TclNewStringObj(objPtr, argv[i], length);
	Tcl_IncrRefCount(objPtr);
	objv[i] = objPtr;
    }

     * The trace function needs to get a fully qualified name for old and new
     * commands [Tcl bug #651271], or else there's no way for the trace
     * function to get the namespace from which the old command is being
     * renamed!
     */

    Tcl_DStringInit(&newFullName);
    Tcl_DStringAppend(&newFullName, newNsPtr->fullName, -1);
    if (newNsPtr != iPtr->globalNsPtr) {
	TclDStringAppendLiteral(&newFullName, "::");
    }
    Tcl_DStringAppend(&newFullName, newTail, -1);
    cmdPtr->refCount++;
    CallCommandTraces(iPtr, cmdPtr, Tcl_GetString(oldFullName),
	    Tcl_DStringValue(&newFullName), TCL_TRACE_RENAME);
    Tcl_DStringFree(&newFullName);

    /*
     * The new command name is okay, so remove the command from its current

    /*
     * Add the full name of the containing namespace, followed by the "::"
     * separator, and the command name.
     */

    if (cmdPtr != NULL) {
	if (cmdPtr->nsPtr != NULL) {
	    Tcl_AppendToObj(objPtr, cmdPtr->nsPtr->fullName, -1);
	    if (cmdPtr->nsPtr != iPtr->globalNsPtr) {
		Tcl_AppendToObj(objPtr, "::", 2);
	    }
	}
	if (cmdPtr->hPtr != NULL) {
	    name = Tcl_GetHashKey(cmdPtr->hPtr->tablePtr, cmdPtr->hPtr);
	    Tcl_AppendToObj(objPtr, name, -1);
	}
    }
}

/*
 *----------------------------------------------------------------------
 *

    /*
     * If the interpreter has been deleted, return an error.
     */

    if (iPtr->flags & DELETED) {
	Tcl_SetObjResult(interp, Tcl_NewStringObj(
		"attempt to call eval in deleted interpreter", -1));
	Tcl_SetErrorCode(interp, "TCL", "IDELETE",
		"attempt to call eval in deleted interpreter", NULL);
	return TCL_ERROR;
    }

    if (iPtr->execEnvPtr->rewind) {
	return TCL_ERROR;

     */

    if (((iPtr->numLevels) <= iPtr->maxNestingDepth)) {
	return TCL_OK;
    }

    Tcl_SetObjResult(interp, Tcl_NewStringObj(
	    "too many nested evaluations (infinite loop?)", -1));
    Tcl_SetErrorCode(interp, "TCL", "LIMIT", "STACK", NULL);
    return TCL_ERROR;
}

/*
 *----------------------------------------------------------------------
 *

    /*
     * If the TCL_LEAVE_ERR_MSG flags bit is set, place an error in the
     * interp's result; otherwise, we leave it alone.
     */

    if (flags & TCL_LEAVE_ERR_MSG) {
        const char *id, *message = NULL;
        int length;

        /*
         * Setup errorCode variables so that we can differentiate between
         * being canceled and unwound.
         */

        if (iPtr->asyncCancelMsg != NULL) {

        } else {
            id = "ICANCEL";
            if (length == 0) {
                message = "eval canceled";
            }
        }

        Tcl_SetObjResult(interp, Tcl_NewStringObj(message, -1));
        Tcl_SetErrorCode(interp, "TCL", "CANCEL", id, message, NULL);
    }

    /*
     * Return TCL_ERROR to the caller (not necessarily just the Tcl core
     * itself) that indicates further processing of the script or command in
     * progress should halt gracefully and as soon as possible.

 *----------------------------------------------------------------------
 */

int
Tcl_EvalObjv(
    Tcl_Interp *interp,		/* Interpreter in which to evaluate the
				 * command. Also used for error reporting. */
    int objc,			/* Number of words in command. */
    Tcl_Obj *const objv[],	/* An array of pointers to objects that are
				 * the words that make up the command. */
    int flags)			/* Collection of OR-ed bits that control the
				 * evaluation of the script. Only
				 * TCL_EVAL_GLOBAL, TCL_EVAL_INVOKE and
				 * TCL_EVAL_NOERR are currently supported. */
{
    int result;
    NRE_callback *rootPtr = TOP_CB(interp);

    result = TclNREvalObjv(interp, objc, objv, flags, NULL);
    return TclNRRunCallbacks(interp, result, rootPtr);
}

int
TclNREvalObjv(
    Tcl_Interp *interp,		/* Interpreter in which to evaluate the
				 * command. Also used for error reporting. */
    int objc,			/* Number of words in command. */
    Tcl_Obj *const objv[],	/* An array of pointers to objects that are
				 * the words that make up the command. */
    int flags,			/* Collection of OR-ed bits that control the
				 * evaluation of the script. Only
				 * TCL_EVAL_GLOBAL, TCL_EVAL_INVOKE and
				 * TCL_EVAL_NOERR are currently supported. */
    Command *cmdPtr)		/* NULL if the Command is to be looked up

	/* 
	 * Schedule leave traces.  Raise the refCount on the resolved
	 * cmdPtr, so that when it passes to the leave traces we know
	 * it's still valid.
	 */

	cmdPtr->refCount++;

	TclNRAddCallback(interp, TEOV_RunLeaveTraces, INT2PTR(objc),
		    commandPtr, cmdPtr, objv);
    }

    TclNRAddCallback(interp, Dispatch,
	    cmdPtr->nreProc ? cmdPtr->nreProc : cmdPtr->objProc,
	    cmdPtr->objClientData, INT2PTR(objc), objv);

 *
 *----------------------------------------------------------------------
 */

static void
TEOV_PushExceptionHandlers(
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[],
    int flags)
{
    Interp *iPtr = (Interp *) interp;

    /*
     * If any error processing is necessary, push the appropriate records.

    ClientData data[],
    Tcl_Interp *interp,
    int result)
{
    Interp *iPtr = (Interp *) interp;
    Tcl_Obj *listPtr;
    const char *cmdString;
    int cmdLen;
    int objc = PTR2INT(data[0]);
    Tcl_Obj **objv = data[1];

    if ((result == TCL_ERROR) && !(iPtr->flags & ERR_ALREADY_LOGGED)){
	/*
	 * If there was an error, a command string will be needed for the
	 * error log: get it out of the itemPtr. The details depend on the
	 * type.

    iPtr->flags &= ~ERR_ALREADY_LOGGED;
    return result;
}

static int
TEOV_NotFound(
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[],
    Namespace *lookupNsPtr)
{
    Command * cmdPtr;
    Interp *iPtr = (Interp *) interp;
    int i, newObjc, handlerObjc;
    Tcl_Obj **newObjv, **handlerObjv;
    CallFrame *varFramePtr = iPtr->varFramePtr;
    Namespace *currNsPtr = NULL;/* Used to check for and invoke any registered
				 * unknown command handler for the current
				 * namespace (TIP 181). */
    Namespace *savedNsPtr = NULL;

static int
TEOV_NotFoundCallback(
    ClientData data[],
    Tcl_Interp *interp,
    int result)
{
    Interp *iPtr = (Interp *) interp;
    int objc = PTR2INT(data[0]);
    Tcl_Obj **objv = data[1];
    Namespace *savedNsPtr = data[2];

    int i;

    if (savedNsPtr) {
	iPtr->varFramePtr->nsPtr = savedNsPtr;
    }

    /*
     * Release any resources we locked and allocated during the handler call.

}

static int
TEOV_RunEnterTraces(
    Tcl_Interp *interp,
    Command **cmdPtrPtr,
    Tcl_Obj *commandPtr,
    int objc,
    Tcl_Obj *const objv[])
{
    Interp *iPtr = (Interp *) interp;
    Command *cmdPtr = *cmdPtrPtr;
    int newEpoch, cmdEpoch = cmdPtr->cmdEpoch;

    int length, traceCode = TCL_OK;
    const char *command = Tcl_GetStringFromObj(commandPtr, &length);

    /*
     * Call trace functions.
     * Execute any command or execution traces. Note that we bump up the
     * command's reference count for the duration of the calling of the
     * traces so that the structure doesn't go away underneath our feet.

{
    Interp *iPtr = (Interp *) interp;
    int traceCode = TCL_OK;
    int objc = PTR2INT(data[0]);
    Tcl_Obj *commandPtr = data[1];
    Command *cmdPtr = data[2];
    Tcl_Obj **objv = data[3];
    int length;
    const char *command = Tcl_GetStringFromObj(commandPtr, &length);

    if (!(cmdPtr->flags & CMD_IS_DELETED)) {
	if (cmdPtr->flags & CMD_HAS_EXEC_TRACES){
	    traceCode = TclCheckExecutionTraces(interp, command, length,
		    cmdPtr, result, TCL_TRACE_LEAVE_EXEC, objc, objv);
	}

int
Tcl_EvalTokensStandard(
    Tcl_Interp *interp,		/* Interpreter in which to lookup variables,
				 * execute nested commands, and report
				 * errors. */
    Tcl_Token *tokenPtr,	/* Pointer to first in an array of tokens to
				 * evaluate and concatenate. */
    int count)			/* Number of tokens to consider at tokenPtr.
				 * Must be at least 1. */
{
    return TclSubstTokens(interp, tokenPtr, count, /* numLeftPtr */ NULL, 1,
	    NULL, NULL);
}

/*

 */

int
Tcl_EvalEx(
    Tcl_Interp *interp,		/* Interpreter in which to evaluate the
				 * script. Also used for error reporting. */
    const char *script,		/* First character of script to evaluate. */
    int numBytes,		/* Number of bytes in script. If < 0, the
				 * script consists of all bytes up to the
				 * first null character. */
    int flags)			/* Collection of OR-ed bits that control the
				 * evaluation of the script. Only
				 * TCL_EVAL_GLOBAL is currently supported. */
{
    return TclEvalEx(interp, script, numBytes, flags, 1, NULL, script);
}

int
TclEvalEx(
    Tcl_Interp *interp,		/* Interpreter in which to evaluate the
				 * script. Also used for error reporting. */
    const char *script,		/* First character of script to evaluate. */
    int numBytes,		/* Number of bytes in script. If < 0, the
				 * script consists of all bytes up to the
				 * first NUL character. */
    int flags,			/* Collection of OR-ed bits that control the
				 * evaluation of the script. Only
				 * TCL_EVAL_GLOBAL is currently supported. */
    int line,			/* The line the script starts on. */
    int *clNextOuter,		/* Information about an outer context for */
    const char *outerScript)	/* continuation line data. This is set only in
				 * TclSubstTokens(), to properly handle
				 * [...]-nested commands. The 'outerScript'
				 * refers to the most-outer script containing
				 * the embedded command, which is refered to
				 * by 'script'. The 'clNextOuter' refers to
				 * the current entry in the table of

{
    Interp *iPtr = (Interp *) interp;
    const char *p, *next;
    const unsigned int minObjs = 20;
    Tcl_Obj **objv, **objvSpace;
    int *expand, *lines, *lineSpace;
    Tcl_Token *tokenPtr;
    int commandLength, bytesLeft, expandRequested, code = TCL_OK;

    CallFrame *savedVarFramePtr;/* Saves old copy of iPtr->varFramePtr in case
				 * TCL_EVAL_GLOBAL was set. */
    int allowExceptions = (iPtr->evalFlags & TCL_ALLOW_EXCEPTIONS);
    int gotParse = 0;
    unsigned int i, objectsUsed = 0;
				/* These variables keep track of how much
				 * state has been allocated while evaluating
				 * the script, so that it can be freed
				 * properly if an error occurs. */
    Tcl_Parse *parsePtr = TclStackAlloc(interp, sizeof(Tcl_Parse));
    CmdFrame *eeFramePtr = TclStackAlloc(interp, sizeof(CmdFrame));
    Tcl_Obj **stackObjArray =
	    TclStackAlloc(interp, minObjs * sizeof(Tcl_Obj *));
    int *expandStack = TclStackAlloc(interp, minObjs * sizeof(int));
    int *linesStack = TclStackAlloc(interp, minObjs * sizeof(int));
				/* TIP #280 Structures for tracking of command
				 * locations. */
    int *clNext = NULL;		/* Pointer for the tracking of invisible
				 * continuation lines. Initialized only if the
				 * caller gave us a table of locations to
				 * track, via scriptCLLocPtr. It always refers
				 * to the table entry holding the location of
				 * the next invisible continuation line to
				 * look for, while parsing the script. */

    if (iPtr->scriptCLLocPtr) {
	if (clNextOuter) {
	    clNext = clNextOuter;
	} else {
	    clNext = &iPtr->scriptCLLocPtr->loc[0];
	}
    }

    if (numBytes < 0) {
	numBytes = strlen(script);
    }
    Tcl_ResetResult(interp);

    savedVarFramePtr = iPtr->varFramePtr;
    if (flags & TCL_EVAL_GLOBAL) {
	iPtr->varFramePtr = iPtr->rootFramePtr;

	     * command. We use a separate pointer into the table of
	     * continuation line locations to not lose our position for the
	     * per-command parsing.
	     */

	    int wordLine = line;
	    const char *wordStart = parsePtr->commandStart;
	    int *wordCLNext = clNext;
	    unsigned int objectsNeeded = 0;
	    unsigned int numWords = parsePtr->numWords;

	    /*
	     * Generate an array of objects for the words of the command.
	     */

		if (code != TCL_OK) {
		    break;
		}
		objv[objectsUsed] = Tcl_GetObjResult(interp);
		Tcl_IncrRefCount(objv[objectsUsed]);
		if (tokenPtr->type == TCL_TOKEN_EXPAND_WORD) {
		    int numElements;

		    code = TclListObjLength(interp, objv[objectsUsed],
			    &numElements);
		    if (code == TCL_ERROR) {
			/*
			 * Attempt to expand a non-list.
			 */

		} else {
		    expand[objectsUsed] = 0;
		    objectsNeeded++;
		}

		if (wordCLNext) {
		    TclContinuationsEnterDerived(objv[objectsUsed],
			    wordStart - outerScript, wordCLNext);
		}
	    } /* for loop */
	    iPtr->cmdFramePtr = eeFramePtr;
	    if (code != TCL_OK) {
		goto error;
	    }
	    if (expandRequested) {

			    ckalloc(objectsNeeded * sizeof(Tcl_Obj *));
		    lines = lineSpace = ckalloc(objectsNeeded * sizeof(int));
		}

		objectsUsed = 0;
		while (wordIdx--) {
		    if (expand[wordIdx]) {
			int numElements;
			Tcl_Obj **elements, *temp = copy[wordIdx];

			Tcl_ListObjGetElements(NULL, temp, &numElements,
				&elements);
			objectsUsed += numElements;
			while (numElements--) {
			    lines[objIdx] = -1;

 * TIP #280
 *----------------------------------------------------------------------
 */

void
TclAdvanceContinuations(
    int *line,
    int **clNextPtrPtr,
    int loc)
{
    /*
     * Track the invisible continuation lines embedded in a script, if any.
     * Here they are just spaces (already). They were removed by
     * TclSubstTokens via TclParseBackslash.
     *

 *----------------------------------------------------------------------
 */

void
TclArgumentEnter(
    Tcl_Interp *interp,
    Tcl_Obj **objv,
    int objc,
    CmdFrame *cfPtr)
{
    Interp *iPtr = (Interp *) interp;
    int new, i;

    Tcl_HashEntry *hPtr;
    CFWord *cfwPtr;

    for (i = 1; i < objc; i++) {
	/*
	 * Ignore argument words without line information (= dynamic). If they
	 * are variables they may have location information associated with

 *----------------------------------------------------------------------
 */

void
TclArgumentRelease(
    Tcl_Interp *interp,
    Tcl_Obj **objv,
    int objc)
{
    Interp *iPtr = (Interp *) interp;
    int i;

    for (i = 1; i < objc; i++) {
	CFWord *cfwPtr;
	Tcl_HashEntry *hPtr =
		Tcl_FindHashEntry(iPtr->lineLAPtr, (char *) objv[i]);

	if (!hPtr) {

 *----------------------------------------------------------------------
 */

void
TclArgumentBCEnter(
    Tcl_Interp *interp,
    Tcl_Obj *objv[],
    int objc,
    void *codePtr,
    CmdFrame *cfPtr,
    int cmd,
    int pc)
{
    ExtCmdLoc *eclPtr;
    int word;
    ECL *ePtr;
    CFWordBC *lastPtr = NULL;
    Interp *iPtr = (Interp *) interp;
    Tcl_HashEntry *hePtr =
	    Tcl_FindHashEntry(iPtr->lineBCPtr, (char *) codePtr);

    if (!hePtr) {

				 * a previous call to Tcl_CreateInterp). */
    register Tcl_Obj *objPtr,	/* Pointer to object containing commands to
				 * execute. */
    int flags,			/* Collection of OR-ed bits that control the
				 * evaluation of the script. Supported values
				 * are TCL_EVAL_GLOBAL and TCL_EVAL_DIRECT. */
    const CmdFrame *invoker,	/* Frame of the command doing the eval. */
    int word)			/* Index of the word which is in objPtr. */
{
    int result = TCL_OK;
    NRE_callback *rootPtr = TOP_CB(interp);

    result = TclNREvalObjEx(interp, objPtr, flags, invoker, word);
    return TclNRRunCallbacks(interp, result, rootPtr);
}

int
TclNREvalObjEx(
    Tcl_Interp *interp,		/* Token for command interpreter (returned by
				 * a previous call to Tcl_CreateInterp). */
    register Tcl_Obj *objPtr,	/* Pointer to object containing commands to
				 * execute. */
    int flags,			/* Collection of OR-ed bits that control the
				 * evaluation of the script. Supported values
				 * are TCL_EVAL_GLOBAL and TCL_EVAL_DIRECT. */
    const CmdFrame *invoker,	/* Frame of the command doing the eval. */
    int word)			/* Index of the word which is in objPtr. */
{
    Interp *iPtr = (Interp *) interp;
    int result;

    /*
     * This function consists of three independent blocks for: direct
     * evaluation of canonical lists, compilation and bytecode execution and
     * finally direct evaluation. Precisely one of these blocks will be run.
     */

    if (TclListObjIsCanonical(objPtr)) {
	CmdFrame *eoFramePtr = NULL;
	int objc;
	Tcl_Obj *listPtr, **objv;

	/*
	 * Canonical List Optimization:  In this case, we
	 * can safely use Tcl_EvalObjv instead and get an appreciable
	 * improvement in execution speed. This is because it allows us to
	 * avoid a setFromAny step that would just pack everything into a

            return TCL_ERROR;
        }
	if (flags & TCL_EVAL_GLOBAL) {
	    savedVarFramePtr = iPtr->varFramePtr;
	    iPtr->varFramePtr = iPtr->rootFramePtr;
	}
	Tcl_IncrRefCount(objPtr);
	codePtr = TclCompileObj(interp, objPtr, invoker, word);

	TclNRAddCallback(interp, TEOEx_ByteCodeCallback, savedVarFramePtr,
		objPtr, INT2PTR(allowExceptions), NULL);
        return TclNRExecuteByteCode(interp, codePtr);
    }

    {
	/*
	 * We're not supposed to use the compiler or byte-code
	 * interpreter. Let Tcl_EvalEx evaluate the command directly (and
	 * probably more slowly).
	 */

	const char *script;
	int numSrcBytes;

	/*
	 * Now we check if we have data about invisible continuation lines for
	 * the script, and make it available to the direct script parser and
	 * evaluator we are about to call, if so.
	 *
	 * It may be possible that the script Tcl_Obj* can be free'd while the

    if (iPtr->numLevels == 0) {
	if (result == TCL_RETURN) {
	    result = TclUpdateReturnInfo(iPtr);
	}
	if ((result != TCL_OK) && (result != TCL_ERROR) && !allowExceptions) {
	    const char *script;
	    int numSrcBytes;

	    ProcessUnexpectedResult(interp, result);
	    result = TCL_ERROR;
	    script = Tcl_GetStringFromObj(objPtr, &numSrcBytes);
	    Tcl_LogCommandInfo(interp, script, script, numSrcBytes);
	}

    int returnCode)		/* The unexpected result code. */
{
    char buf[TCL_INTEGER_SPACE];

    Tcl_ResetResult(interp);
    if (returnCode == TCL_BREAK) {
	Tcl_SetObjResult(interp, Tcl_NewStringObj(
		"invoked \"break\" outside of a loop", -1));
    } else if (returnCode == TCL_CONTINUE) {
	Tcl_SetObjResult(interp, Tcl_NewStringObj(
		"invoked \"continue\" outside of a loop", -1));
    } else {
	Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		"command returned bad code: %d", returnCode));
    }
    sprintf(buf, "%d", returnCode);
    Tcl_SetErrorCode(interp, "TCL", "UNEXPECTED_RESULT_CODE", buf, NULL);
}

    if (*exprstring == '\0') {
	/*
	 * Legacy compatibility - return 0 for the zero-length string.
	 */

	*ptr = 0;
    } else {
	exprPtr = Tcl_NewStringObj(exprstring, -1);
	Tcl_IncrRefCount(exprPtr);
	result = Tcl_ExprLongObj(interp, exprPtr, ptr);
	Tcl_DecrRefCount(exprPtr);
    }
    return result;
}

    if (*exprstring == '\0') {
	/*
	 * Legacy compatibility - return 0 for the zero-length string.
	 */

	*ptr = 0.0;
    } else {
	exprPtr = Tcl_NewStringObj(exprstring, -1);
	Tcl_IncrRefCount(exprPtr);
	result = Tcl_ExprDoubleObj(interp, exprPtr, ptr);
	Tcl_DecrRefCount(exprPtr);
				/* Discard the expression object. */
    }
    return result;
}

	 * An empty string. Just set the result boolean to 0 (false).
	 */

	*ptr = 0;
	return TCL_OK;
    } else {
	int result;
	Tcl_Obj *exprPtr = Tcl_NewStringObj(exprstring, -1);

	Tcl_IncrRefCount(exprPtr);
	result = Tcl_ExprBooleanObj(interp, exprPtr, ptr);
	Tcl_DecrRefCount(exprPtr);
	return result;
    }
}

 *----------------------------------------------------------------------
 */

int
TclObjInvokeNamespace(
    Tcl_Interp *interp,		/* Interpreter in which command is to be
				 * invoked. */
    int objc,			/* Count of arguments. */
    Tcl_Obj *const objv[],	/* Argument objects; objv[0] points to the
				 * name of the command to invoke. */
    Tcl_Namespace *nsPtr,	/* The namespace to use. */
    int flags)			/* Combination of flags controlling the call:
				 * TCL_INVOKE_HIDDEN, TCL_INVOKE_NO_UNKNOWN,
				 * or TCL_INVOKE_NO_TRACEBACK. */
{

 *----------------------------------------------------------------------
 */

int
TclObjInvoke(
    Tcl_Interp *interp,		/* Interpreter in which command is to be
				 * invoked. */
    int objc,			/* Count of arguments. */
    Tcl_Obj *const objv[],	/* Argument objects; objv[0] points to the
				 * name of the command to invoke. */
    int flags)			/* Combination of flags controlling the call:
				 * TCL_INVOKE_HIDDEN, TCL_INVOKE_NO_UNKNOWN,
				 * or TCL_INVOKE_NO_TRACEBACK. */
{
    if (interp == NULL) {
	return TCL_ERROR;
    }
    if ((objc < 1) || (objv == NULL)) {
	Tcl_SetObjResult(interp, Tcl_NewStringObj(
                "illegal argument vector", -1));
	return TCL_ERROR;
    }
    if ((flags & TCL_INVOKE_HIDDEN) == 0) {
	Tcl_Panic("TclObjInvoke: called without TCL_INVOKE_HIDDEN");
    }
    return Tcl_NRCallObjProc(interp, TclNRInvoke, NULL, objc, objv);
}

int
TclNRInvoke(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    register Interp *iPtr = (Interp *) interp;
    Tcl_HashTable *hTblPtr;	/* Table of hidden commands. */
    const char *cmdName;	/* Name of the command from objv[0]. */
    Tcl_HashEntry *hPtr = NULL;
    Command *cmdPtr;

                "invalid hidden command name \"%s\"", cmdName));
        Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "HIDDENTOKEN", cmdName,
                NULL);
	return TCL_ERROR;
    }
    cmdPtr = Tcl_GetHashValue(hPtr);


    /* Avoid the exception-handling brain damage when numLevels == 0 . */


    iPtr->numLevels++;
    Tcl_NRAddCallback(interp, NRPostInvoke, NULL, NULL, NULL, NULL);

    /*
     * Normal command resolution of objv[0] isn't going to find cmdPtr.
     * That's the whole point of **hidden** commands.  So tell the
     * Eval core machinery not to even try (and risk finding something wrong).
     */

    return TclNREvalObjv(interp, objc, objv, TCL_EVAL_NORESOLVE, cmdPtr);
}

static int
NRPostInvoke(
    ClientData clientData[],
    Tcl_Interp *interp,
    int result)
{
    Interp *iPtr = (Interp *)interp;

    iPtr->numLevels--;
    return result;
}

/*
 *---------------------------------------------------------------------------
 *

    if (expr[0] == '\0') {
	/*
	 * An empty string. Just set the interpreter's result to 0.
	 */

	Tcl_SetObjResult(interp, Tcl_NewIntObj(0));
    } else {
	Tcl_Obj *resultPtr, *exprObj = Tcl_NewStringObj(expr, -1);

	Tcl_IncrRefCount(exprObj);
	code = Tcl_ExprObj(interp, exprObj, &resultPtr);
	Tcl_DecrRefCount(exprObj);
	if (code == TCL_OK) {
	    Tcl_SetObjResult(interp, resultPtr);
	    Tcl_DecrRefCount(resultPtr);

void
Tcl_AppendObjToErrorInfo(
    Tcl_Interp *interp,		/* Interpreter to which error information
				 * pertains. */
    Tcl_Obj *objPtr)		/* Message to record. */
{
    int length;
    register Interp *iPtr = (Interp *) interp;
    const char *message = TclGetStringFromObj(objPtr, &length);

    Tcl_IncrRefCount(objPtr);

    /*
     * If we are just starting to log an error, errorInfo is initialized from

 */

static int
ExprCeilFunc(
    ClientData clientData,	/* Ignored */
    Tcl_Interp *interp,		/* The interpreter in which to execute the
				 * function. */
    int objc,			/* Actual parameter count. */
    Tcl_Obj *const *objv)	/* Actual parameter list. */
{
    int code;
    double d;
    mp_int big;

    if (objc != 2) {

}

static int
ExprFloorFunc(
    ClientData clientData,	/* Ignored */
    Tcl_Interp *interp,		/* The interpreter in which to execute the
				 * function. */
    int objc,			/* Actual parameter count. */
    Tcl_Obj *const *objv)	/* Actual parameter list. */
{
    int code;
    double d;
    mp_int big;

    if (objc != 2) {

    return TCL_OK;
}

static int
ExprIsqrtFunc(
    ClientData clientData,	/* Ignored */
    Tcl_Interp *interp,		/* The interpreter in which to execute. */
    int objc,			/* Actual parameter count. */
    Tcl_Obj *const *objv)	/* Actual parameter list. */
{
    ClientData ptr;
    int type;
    double d;
    Tcl_WideInt w;
    mp_int big;

	mp_clear(&big);
	Tcl_SetObjResult(interp, Tcl_NewBignumObj(&root));
    }
    return TCL_OK;

  negarg:
    Tcl_SetObjResult(interp, Tcl_NewStringObj(
            "square root of negative argument", -1));
    Tcl_SetErrorCode(interp, "ARITH", "DOMAIN",
	    "domain error: argument not in valid range", NULL);
    return TCL_ERROR;
}

static int
ExprSqrtFunc(
    ClientData clientData,	/* Ignored */
    Tcl_Interp *interp,		/* The interpreter in which to execute the
				 * function. */
    int objc,			/* Actual parameter count. */
    Tcl_Obj *const *objv)	/* Actual parameter list. */
{
    int code;
    double d;
    mp_int big;

    if (objc != 2) {

static int
ExprUnaryFunc(
    ClientData clientData,	/* Contains the address of a function that
				 * takes one double argument and returns a
				 * double result. */
    Tcl_Interp *interp,		/* The interpreter in which to execute the
				 * function. */
    int objc,			/* Actual parameter count */
    Tcl_Obj *const *objv)	/* Actual parameter list */
{
    int code;
    double d;
    double (*func)(double) = (double (*)(double)) clientData;

    if (objc != 2) {

static int
ExprBinaryFunc(
    ClientData clientData,	/* Contains the address of a function that
				 * takes two double arguments and returns a
				 * double result. */
    Tcl_Interp *interp,		/* The interpreter in which to execute the
				 * function. */
    int objc,			/* Actual parameter count. */
    Tcl_Obj *const *objv)	/* Parameter vector. */
{
    int code;
    double d1, d2;
    double (*func)(double, double) = (double (*)(double, double)) clientData;

    if (objc != 3) {

}

static int
ExprAbsFunc(
    ClientData clientData,	/* Ignored. */
    Tcl_Interp *interp,		/* The interpreter in which to execute the
				 * function. */
    int objc,			/* Actual parameter count. */
    Tcl_Obj *const *objv)	/* Parameter vector. */
{
    ClientData ptr;
    int type;
    mp_int big;

    if (objc != 2) {

}

static int
ExprBoolFunc(
    ClientData clientData,	/* Ignored. */
    Tcl_Interp *interp,		/* The interpreter in which to execute the
				 * function. */
    int objc,			/* Actual parameter count. */
    Tcl_Obj *const *objv)	/* Actual parameter vector. */
{
    int value;

    if (objc != 2) {
	MathFuncWrongNumArgs(interp, 2, objc, objv);
	return TCL_ERROR;
    }
    if (Tcl_GetBooleanFromObj(interp, objv[1], &value) != TCL_OK) {
	return TCL_ERROR;
    }
    Tcl_SetObjResult(interp, Tcl_NewBooleanObj(value));
    return TCL_OK;
}

static int
ExprDoubleFunc(
    ClientData clientData,	/* Ignored. */
    Tcl_Interp *interp,		/* The interpreter in which to execute the
				 * function. */
    int objc,			/* Actual parameter count. */
    Tcl_Obj *const *objv)	/* Actual parameter vector. */
{
    double dResult;

    if (objc != 2) {
	MathFuncWrongNumArgs(interp, 2, objc, objv);
	return TCL_ERROR;

}

static int
ExprEntierFunc(
    ClientData clientData,	/* Ignored. */
    Tcl_Interp *interp,		/* The interpreter in which to execute the
				 * function. */
    int objc,			/* Actual parameter count. */
    Tcl_Obj *const *objv)	/* Actual parameter vector. */
{
    double d;
    int type;
    ClientData ptr;

    if (objc != 2) {

}

static int
ExprIntFunc(
    ClientData clientData,	/* Ignored. */
    Tcl_Interp *interp,		/* The interpreter in which to execute the
				 * function. */
    int objc,			/* Actual parameter count. */
    Tcl_Obj *const *objv)	/* Actual parameter vector. */
{
    long iResult;
    Tcl_Obj *objPtr;
    if (ExprEntierFunc(NULL, interp, objc, objv) != TCL_OK) {
	return TCL_ERROR;
    }

}

static int
ExprWideFunc(
    ClientData clientData,	/* Ignored. */
    Tcl_Interp *interp,		/* The interpreter in which to execute the
				 * function. */
    int objc,			/* Actual parameter count. */
    Tcl_Obj *const *objv)	/* Actual parameter vector. */
{
    Tcl_WideInt wResult;
    Tcl_Obj *objPtr;

    if (ExprEntierFunc(NULL, interp, objc, objv) != TCL_OK) {
	return TCL_ERROR;

}

static int
ExprRandFunc(
    ClientData clientData,	/* Ignored. */
    Tcl_Interp *interp,		/* The interpreter in which to execute the
				 * function. */
    int objc,			/* Actual parameter count. */
    Tcl_Obj *const *objv)	/* Actual parameter vector. */
{
    Interp *iPtr = (Interp *) interp;
    double dResult;
    long tmp;			/* Algorithm assumes at least 32 bits. Only
				 * long guarantees that. See below. */
    Tcl_Obj *oResult;

}

static int
ExprRoundFunc(
    ClientData clientData,	/* Ignored. */
    Tcl_Interp *interp,		/* The interpreter in which to execute the
				 * function. */
    int objc,			/* Actual parameter count. */
    Tcl_Obj *const *objv)	/* Parameter vector. */
{
    double d;
    ClientData ptr;
    int type;

    if (objc != 2) {

}

static int
ExprSrandFunc(
    ClientData clientData,	/* Ignored. */
    Tcl_Interp *interp,		/* The interpreter in which to execute the
				 * function. */
    int objc,			/* Actual parameter count. */
    Tcl_Obj *const *objv)	/* Parameter vector. */
{
    Interp *iPtr = (Interp *) interp;
    long i = 0;			/* Initialized to avoid compiler warning. */

    /*
     * Convert argument and use it to reset the seed.

 *
 *----------------------------------------------------------------------
 */

static void
MathFuncWrongNumArgs(
    Tcl_Interp *interp,		/* Tcl interpreter */
    int expected,		/* Formal parameter count. */
    int found,			/* Actual parameter count. */
    Tcl_Obj *const *objv)	/* Actual parameter vector. */
{
    const char *name = Tcl_GetString(objv[0]);
    const char *tail = name + strlen(name);

    while (tail > name+1) {
	tail--;

 */

int
Tcl_NRCallObjProc(
    Tcl_Interp *interp,
    Tcl_ObjCmdProc *objProc,
    ClientData clientData,
    int objc,
    Tcl_Obj *const objv[])
{
    NRE_callback *rootPtr = TOP_CB(interp);

    TclNRAddCallback(interp, Dispatch, objProc, clientData,
	    INT2PTR(objc), objv);
    return TclNRRunCallbacks(interp, TCL_OK, rootPtr);

    return TclNREvalObjEx(interp, objPtr, flags, NULL, INT_MIN);
}

int
Tcl_NREvalObjv(
    Tcl_Interp *interp,		/* Interpreter in which to evaluate the
				 * command. Also used for error reporting. */
    int objc,			/* Number of words in command. */
    Tcl_Obj *const objv[],	/* An array of pointers to objects that are
				 * the words that make up the command. */
    int flags)			/* Collection of OR-ed bits that control the
				 * evaluation of the script. Only
				 * TCL_EVAL_GLOBAL, TCL_EVAL_INVOKE and
				 * TCL_EVAL_NOERR are currently supported. */
{
    return TclNREvalObjv(interp, objc, objv, flags, NULL);
}

int
Tcl_NRCmdSwap(
    Tcl_Interp *interp,
    Tcl_Command cmd,
    int objc,
    Tcl_Obj *const objv[],
    int flags)
{
    return TclNREvalObjv(interp, objc, objv, flags|TCL_EVAL_NOERR,
	    (Command *) cmd);
}


    runPtr->data[1] = listPtr;
}

int
TclNRTailcallObjCmd(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    Interp *iPtr = (Interp *) interp;

    if (objc < 1) {
	Tcl_WrongNumArgs(interp, 1, objv, "?command? ?arg ...?");
	return TCL_ERROR;
    }

    if (!(iPtr->varFramePtr->isProcCallFrame & 1)) {	/* or is upleveled */
        Tcl_SetObjResult(interp, Tcl_NewStringObj(
                "tailcall can only be called from a proc or lambda", -1));

        Tcl_SetErrorCode(interp, "TCL", "TAILCALL", "ILLEGAL", NULL);
	return TCL_ERROR;
    }

    /*
     * Invocation without args just clears a scheduled tailcall; invocation
     * with an argument replaces any previously scheduled tailcall.

        Tcl_Namespace *ns1Ptr;

        /* The tailcall data is in a Tcl list: the first element is the
         * namespace, the rest the command to be tailcalled. */
        
        listPtr = Tcl_NewListObj(objc, objv);

        nsObjPtr = Tcl_NewStringObj(nsPtr->fullName, -1);
        if ((TCL_OK != TclGetNamespaceFromObj(interp, nsObjPtr, &ns1Ptr))
                || (nsPtr != ns1Ptr)) {
            Tcl_Panic("Tailcall failed to find the proper namespace");
        }
 	TclListObjSetElement(interp, listPtr, 0, nsObjPtr);
        
        iPtr->varFramePtr->tailcallPtr = listPtr;
    }
    return TCL_RETURN;
}

int
TclNRTailcallEval(
    ClientData data[],
    Tcl_Interp *interp,
    int result)
{
    Interp *iPtr = (Interp *) interp;
    Tcl_Obj *listPtr = data[0], *nsObjPtr;
    Tcl_Namespace *nsPtr;
    int objc;
    Tcl_Obj **objv;

    Tcl_ListObjGetElements(interp, listPtr, &objc, &objv); 
    nsObjPtr = objv[0];
    
    if (result == TCL_OK) {
	result = TclGetNamespaceFromObj(interp, nsObjPtr, &nsPtr);

#define iPtr ((Interp *) interp)

int
TclNRYieldObjCmd(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    CoroutineData *corPtr = iPtr->execEnvPtr->corPtr;

    if (objc > 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "?returnValue?");
	return TCL_ERROR;
    }

    if (!corPtr) {
	Tcl_SetObjResult(interp, Tcl_NewStringObj(
                "yield can only be called in a coroutine", -1));
	Tcl_SetErrorCode(interp, "TCL", "COROUTINE", "ILLEGAL_YIELD", NULL);
	return TCL_ERROR;
    }

    if (objc == 2) {
	Tcl_SetObjResult(interp, objv[1]);
    }

    NRE_ASSERT(!COR_IS_SUSPENDED(corPtr));
    TclNRAddCallback(interp, TclNRCoroutineActivateCallback, corPtr,
            clientData, NULL, NULL);
    return TCL_OK;
}

int
TclNRYieldToObjCmd(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    CoroutineData *corPtr = iPtr->execEnvPtr->corPtr;
    Tcl_Obj *listPtr, *nsObjPtr;
    Tcl_Namespace *nsPtr = (Tcl_Namespace *) iPtr->varFramePtr->nsPtr;
    Tcl_Namespace *ns1Ptr;

    if (objc < 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "command ?arg ...?");
	return TCL_ERROR;
    }

    if (!corPtr) {
	Tcl_SetObjResult(interp, Tcl_NewStringObj(
                "yieldto can only be called in a coroutine", -1));
	Tcl_SetErrorCode(interp, "TCL", "COROUTINE", "ILLEGAL_YIELD", NULL);
	return TCL_ERROR;
    }

    /*
     * Add the tailcall in the caller env, then just yield.
     *
     * This is essentially code from TclNRTailcallObjCmd
     */

    /*
     * Add the tailcall in the caller env, then just yield.
     *
     * This is essentially code from TclNRTailcallObjCmd
     */

    listPtr = Tcl_NewListObj(objc, objv);

    nsObjPtr = Tcl_NewStringObj(nsPtr->fullName, -1);
    if ((TCL_OK != TclGetNamespaceFromObj(interp, nsObjPtr, &ns1Ptr))
	    || (nsPtr != ns1Ptr)) {
	Tcl_Panic("yieldto failed to find the proper namespace");
    }
    TclListObjSetElement(interp, listPtr, 0, nsObjPtr);

    } else {
        /*
         * Coroutine is active: yield
         */

        if (corPtr->stackLevel != stackLevel) {
            Tcl_SetObjResult(interp, Tcl_NewStringObj(
                    "cannot yield: C stack busy", -1));
            Tcl_SetErrorCode(interp, "TCL", "COROUTINE", "CANT_YIELD",
                    NULL);
            return TCL_ERROR;
        }

        if (type == CORO_ACTIVATE_YIELD) {
            corPtr->nargs = COROUTINE_ARGUMENTS_SINGLE_OPTIONAL;

 *----------------------------------------------------------------------
 */

static int
NRCoroInjectObjCmd(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    Command *cmdPtr;
    CoroutineData *corPtr;
    ExecEnv *savedEEPtr = iPtr->execEnvPtr;

    /*
     * Usage more or less like tailcall:
     *   inject coroName cmd ?arg1 arg2 ...?
     */

    if (objc < 3) {
	Tcl_WrongNumArgs(interp, 1, objv, "coroName cmd ?arg1 arg2 ...?");
	return TCL_ERROR;
    }

    cmdPtr = (Command *) Tcl_GetCommandFromObj(interp, objv[1]);
    if ((!cmdPtr) || (cmdPtr->nreProc != TclNRInterpCoroutine)) {
        Tcl_SetObjResult(interp, Tcl_NewStringObj(
                "can only inject a command into a coroutine", -1));
        Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "COROUTINE",
                TclGetString(objv[1]), NULL);
        return TCL_ERROR;
    }

    corPtr = cmdPtr->objClientData;
    if (!COR_IS_SUSPENDED(corPtr)) {
        Tcl_SetObjResult(interp, Tcl_NewStringObj(
                "can only inject a command into a suspended coroutine", -1));

        Tcl_SetErrorCode(interp, "TCL", "COROUTINE", "ACTIVE", NULL);
        return TCL_ERROR;
    }

    /*
     * Add the callback to the coro's execEnv, so that it is the first thing
     * to happen when the coro is resumed.
     */

    iPtr->execEnvPtr = corPtr->eePtr;
    TclNREvalObjEx(interp, Tcl_NewListObj(objc-2, objv+2), 0, NULL, INT_MIN);
    iPtr->execEnvPtr = savedEEPtr;

    return TCL_OK;
}

int
TclNRInterpCoroutine(
    ClientData clientData,
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    CoroutineData *corPtr = clientData;

    if (!COR_IS_SUSPENDED(corPtr)) {
	Tcl_SetObjResult(interp, Tcl_ObjPrintf(
                "coroutine \"%s\" is already running",

            Tcl_SetObjResult(interp, objv[1]);
        } else if (objc > 2) {
            Tcl_WrongNumArgs(interp, 1, objv, "?arg?");
            return TCL_ERROR;
        }
        break;
    default:
        if (corPtr->nargs != objc-1) {
            Tcl_SetObjResult(interp,
                    Tcl_NewStringObj("wrong coro nargs; how did we get here? "
                    "not implemented!", -1));
            Tcl_SetErrorCode(interp, "TCL", "WRONGARGS", NULL);
            return TCL_ERROR;
        }
        /* fallthrough */
    case COROUTINE_ARGUMENTS_ARBITRARY:
        if (objc > 1) {
            Tcl_SetObjResult(interp, Tcl_NewListObj(objc-1, objv+1));

 *----------------------------------------------------------------------
 */

int
TclNRCoroutineObjCmd(
    ClientData dummy,		/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    Command *cmdPtr;
    CoroutineData *corPtr;
    const char *fullName, *procName;
    Namespace *nsPtr, *altNsPtr, *cxtNsPtr;
    Tcl_DString ds;

     * struct and create the corresponding command.
     */

    corPtr = ckalloc(sizeof(CoroutineData));

    Tcl_DStringInit(&ds);
    if (nsPtr != iPtr->globalNsPtr) {
	Tcl_DStringAppend(&ds, nsPtr->fullName, -1);
	TclDStringAppendLiteral(&ds, "::");
    }
    Tcl_DStringAppend(&ds, procName, -1);

    cmdPtr = (Command *) Tcl_NRCreateCommand(interp, Tcl_DStringValue(&ds),
	    /*objProc*/ NULL, TclNRInterpCoroutine, corPtr, DeleteCoroutine);
    Tcl_DStringFree(&ds);

    corPtr->cmdPtr = cmdPtr;
    cmdPtr->refCount++;

 * This is used in the [info] ensemble
 */

int
TclInfoCoroutineCmd(
    ClientData dummy,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    CoroutineData *corPtr = iPtr->execEnvPtr->corPtr;

    if (objc != 1) {
	Tcl_WrongNumArgs(interp, 1, objv, NULL);
	return TCL_ERROR;

#include <math.h>

/*
 * The following constants are used by GetFormatSpec to indicate various
 * special conditions in the parsing of a format specifier.
 */

#define BINARY_ALL -1		/* Use all elements in the argument. */

#define BINARY_NOCOUNT -2	/* No count was specified in format. */

/*
 * The following flags may be ORed together and returned by GetFormatSpec
 */

#define BINARY_SIGNED 0		/* Field to be read as signed data */
#define BINARY_UNSIGNED 1	/* Field to be read as unsigned data */

static void		DupByteArrayInternalRep(Tcl_Obj *srcPtr,
			    Tcl_Obj *copyPtr);
static int		FormatNumber(Tcl_Interp *interp, int type,
			    Tcl_Obj *src, unsigned char **cursorPtr);
static void		FreeByteArrayInternalRep(Tcl_Obj *objPtr);
static int		GetFormatSpec(const char **formatPtr, char *cmdPtr,
			    int *countPtr, int *flagsPtr);
static Tcl_Obj *	ScanNumber(unsigned char *buffer, int type,
			    int flags, Tcl_HashTable **numberCachePtr);
static int		SetByteArrayFromAny(Tcl_Interp *interp,
			    Tcl_Obj *objPtr);
static void		UpdateStringOfByteArray(Tcl_Obj *listPtr);
static void		DeleteScanNumberCache(Tcl_HashTable *numberCachePtr);
static int		NeedReversing(int format);
static void		CopyNumber(const void *from, void *to,
			    unsigned length, int type);
/* Binary ensemble commands */
static int		BinaryFormatCmd(ClientData clientData,
			    Tcl_Interp *interp,
			    int objc, Tcl_Obj *const objv[]);
static int		BinaryScanCmd(ClientData clientData,
			    Tcl_Interp *interp,
			    int objc, Tcl_Obj *const objv[]);
/* Binary encoding sub-ensemble commands */
static int		BinaryEncodeHex(ClientData clientData,
			    Tcl_Interp *interp,
			    int objc, Tcl_Obj *const objv[]);
static int		BinaryDecodeHex(ClientData clientData,
			    Tcl_Interp *interp,
			    int objc, Tcl_Obj *const objv[]);
static int		BinaryEncode64(ClientData clientData,
			    Tcl_Interp *interp,
			    int objc, Tcl_Obj *const objv[]);
static int		BinaryDecode64(ClientData clientData,
			    Tcl_Interp *interp,
			    int objc, Tcl_Obj *const objv[]);
static int		BinaryEncodeUu(ClientData clientData,
			    Tcl_Interp *interp, int objc,
			    Tcl_Obj *const objv[]);
static int		BinaryDecodeUu(ClientData clientData,
			    Tcl_Interp *interp,
			    int objc, Tcl_Obj *const objv[]);

/*
 * The following tables are used by the binary encoders
 */

static const char HexDigits[16] = {
    '0', '1', '2', '3', '4', '5', '6', '7',

 * The following structure is the internal rep for a ByteArray object. Keeps
 * track of how much memory has been used and how much has been allocated for
 * the byte array to enable growing and shrinking of the ByteArray object with
 * fewer mallocs.
 */

typedef struct {
    int used;			/* The number of bytes used in the byte
				 * array. */
    int allocated;		/* The amount of space actually allocated
				 * minus 1 byte. */
    unsigned char bytes[1];	/* The array of bytes. The actual size of this
				 * field depends on the 'allocated' field
				 * above. */
} ByteArray;

#define BYTEARRAY_SIZE(len) \
		((unsigned) (TclOffset(ByteArray, bytes) + (len)))
#define GET_BYTEARRAY(objPtr) \
		((ByteArray *) (objPtr)->internalRep.twoPtrValue.ptr1)
#define SET_BYTEARRAY(objPtr, baPtr) \
		(objPtr)->internalRep.twoPtrValue.ptr1 = (void *) (baPtr)


/*

#undef Tcl_NewByteArrayObj

Tcl_Obj *
Tcl_NewByteArrayObj(
    const unsigned char *bytes,	/* The array of bytes used to initialize the
				 * new object. */
    int length)			/* Length of the array of bytes, which must be
				 * >= 0. */
{
#ifdef TCL_MEM_DEBUG
    return Tcl_DbNewByteArrayObj(bytes, length, "unknown", 0);
#else /* if not TCL_MEM_DEBUG */
    Tcl_Obj *objPtr;

 *----------------------------------------------------------------------
 */

Tcl_Obj *
Tcl_DbNewByteArrayObj(
    const unsigned char *bytes,	/* The array of bytes used to initialize the
				 * new object. */
    int length,			/* Length of the array of bytes, which must be
				 * >= 0. */
    const char *file,		/* The name of the source file calling this
				 * procedure; used for debugging. */
    int line)			/* Line number in the source file; used for
				 * debugging. */
{
#ifdef TCL_MEM_DEBUG

 *----------------------------------------------------------------------
 */

void
Tcl_SetByteArrayObj(
    Tcl_Obj *objPtr,		/* Object to initialize as a ByteArray. */
    const unsigned char *bytes,	/* The array of bytes to use as the new
				   value. May be NULL even if length > 0. */
    int length)			/* Length of the array of bytes, which must
				   be >= 0. */
{
    ByteArray *byteArrayPtr;

    if (Tcl_IsShared(objPtr)) {
	Tcl_Panic("%s called with shared object", "Tcl_SetByteArrayObj");
    }
    TclFreeIntRep(objPtr);
    TclInvalidateStringRep(objPtr);

    if (length < 0) {
	length = 0;
    }
    byteArrayPtr = ckalloc(BYTEARRAY_SIZE(length));
    byteArrayPtr->used = length;
    byteArrayPtr->allocated = length;

    if ((bytes != NULL) && (length > 0)) {
	memcpy(byteArrayPtr->bytes, bytes, (size_t) length);
    }
    objPtr->typePtr = &tclByteArrayType;
    SET_BYTEARRAY(objPtr, byteArrayPtr);
}

/*
 *----------------------------------------------------------------------

 *
 *----------------------------------------------------------------------
 */

unsigned char *
Tcl_GetByteArrayFromObj(
    Tcl_Obj *objPtr,		/* The ByteArray object. */
    int *lengthPtr)		/* If non-NULL, filled with length of the
				 * array of bytes in the ByteArray object. */
{
    ByteArray *baPtr;

    if (objPtr->typePtr != &tclByteArrayType) {
	SetByteArrayFromAny(NULL, objPtr);
    }

 *
 *----------------------------------------------------------------------
 */

unsigned char *
Tcl_SetByteArrayLength(
    Tcl_Obj *objPtr,		/* The ByteArray object. */
    int length)			/* New length for internal byte array. */
{
    ByteArray *byteArrayPtr;

    if (Tcl_IsShared(objPtr)) {
	Tcl_Panic("%s called with shared object", "Tcl_SetByteArrayLength");
    }
    if (objPtr->typePtr != &tclByteArrayType) {

 */

static int
SetByteArrayFromAny(
    Tcl_Interp *interp,		/* Not used. */
    Tcl_Obj *objPtr)		/* The object to convert to type ByteArray. */
{
    int length;
    const char *src, *srcEnd;
    unsigned char *dst;
    ByteArray *byteArrayPtr;
    Tcl_UniChar ch;

    if (objPtr->typePtr != &tclByteArrayType) {
	src = TclGetStringFromObj(objPtr, &length);

 */

static void
DupByteArrayInternalRep(
    Tcl_Obj *srcPtr,		/* Object with internal rep to copy. */
    Tcl_Obj *copyPtr)		/* Object with internal rep to set. */
{
    int length;
    ByteArray *srcArrayPtr, *copyArrayPtr;

    srcArrayPtr = GET_BYTEARRAY(srcPtr);
    length = srcArrayPtr->used;

    copyArrayPtr = ckalloc(BYTEARRAY_SIZE(length));
    copyArrayPtr->used = length;
    copyArrayPtr->allocated = length;
    memcpy(copyArrayPtr->bytes, srcArrayPtr->bytes, (size_t) length);
    SET_BYTEARRAY(copyPtr, copyArrayPtr);

    copyPtr->typePtr = &tclByteArrayType;
}

/*
 *----------------------------------------------------------------------

 */

static void
UpdateStringOfByteArray(
    Tcl_Obj *objPtr)		/* ByteArray object whose string rep to
				 * update. */
{
    int i, length, size;
    unsigned char *src;
    char *dst;
    ByteArray *byteArrayPtr;

    byteArrayPtr = GET_BYTEARRAY(objPtr);
    src = byteArrayPtr->bytes;
    length = byteArrayPtr->used;

    /*
     * How much space will string rep need?
     */

    size = length;
    for (i = 0; i < length && size >= 0; i++) {
	if ((src[i] == 0) || (src[i] > 127)) {
	    size++;
	}
    }
    if (size < 0) {
	Tcl_Panic("max size for a Tcl value (%d bytes) exceeded", INT_MAX);
    }

    dst = ckalloc(size + 1);
    objPtr->bytes = dst;
    objPtr->length = size;

    if (size == length) {
	memcpy(dst, src, (size_t) size);
	dst[size] = '\0';
    } else {
	for (i = 0; i < length; i++) {
	    dst += Tcl_UniCharToUtf(src[i], dst);
	}
	*dst = '\0';
    }

 *----------------------------------------------------------------------
 */

void
TclAppendBytesToByteArray(
    Tcl_Obj *objPtr,
    const unsigned char *bytes,
    int len)
{
    ByteArray *byteArrayPtr;

    if (Tcl_IsShared(objPtr)) {
	Tcl_Panic("%s called with shared object","TclAppendBytesToByteArray");
    }
    if (len < 0) {
	Tcl_Panic("%s must be called with definite number of bytes to append",
		"TclAppendBytesToByteArray");
    }
    if (objPtr->typePtr != &tclByteArrayType) {
	SetByteArrayFromAny(NULL, objPtr);
    }
    byteArrayPtr = GET_BYTEARRAY(objPtr);

    /*
     * If we need to, resize the allocated space in the byte array.
     */

    if (byteArrayPtr->used + len > byteArrayPtr->allocated) {
	unsigned int attempt, used = byteArrayPtr->used;
	ByteArray *tmpByteArrayPtr = NULL;

	attempt = byteArrayPtr->allocated;
	if (attempt < 1) {
	    /*
	     * No allocated bytes, so must be none used too. We use this
	     * method to calculate how many bytes to allocate because we can

 *----------------------------------------------------------------------
 */

static int
BinaryFormatCmd(
    ClientData dummy,		/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    int arg;			/* Index of next argument to consume. */
    int value = 0;		/* Current integer value to be packed.
				 * Initialized to avoid compiler warning. */
    char cmd;			/* Current format character. */
    int count;			/* Count associated with current format
				 * character. */
    int flags;			/* Format field flags */
    const char *format;	/* Pointer to current position in format
				 * string. */
    Tcl_Obj *resultPtr = NULL;	/* Object holding result buffer. */
    unsigned char *buffer;	/* Start of result buffer. */
    unsigned char *cursor;	/* Current position within result buffer. */
    unsigned char *maxPos;	/* Greatest position within result buffer that
				 * cursor has visited.*/
    const char *errorString;
    const char *errorValue, *str;

    int offset, size, length;

    if (objc < 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "formatString ?arg ...?");
	return TCL_ERROR;
    }

    /*

	     * non-list value.
	     */

	    if (count == BINARY_NOCOUNT) {
		arg++;
		count = 1;
	    } else {
		int listc;
		Tcl_Obj **listv;

		/*
		 * The macro evals its args more than once: avoid arg++
		 */

		if (TclListObjGetElements(interp, objv[arg], &listc,
			&listv) != TCL_OK) {
		    return TCL_ERROR;
		}
		arg++;

		if (count == BINARY_ALL) {
		    count = listc;
		} else if (count > listc) {
		    Tcl_SetObjResult(interp, Tcl_NewStringObj(
			    "number of elements in list does not match count",
			    -1));
		    return TCL_ERROR;
		}
	    }
	    offset += count*size;
	    break;

	case 'x':
	    if (count == BINARY_ALL) {
		Tcl_SetObjResult(interp, Tcl_NewStringObj(
			"cannot use \"*\" in format string with \"x\"", -1));

		return TCL_ERROR;
	    } else if (count == BINARY_NOCOUNT) {
		count = 1;
	    }
	    offset += count;
	    break;
	case 'X':

    /*
     * Prepare the result object by preallocating the caclulated number of
     * bytes and filling with nulls.
     */

    resultPtr = Tcl_NewObj();
    buffer = Tcl_SetByteArrayLength(resultPtr, length);
    memset(buffer, 0, (size_t) length);

    /*
     * Pack the data into the result object. Note that we can skip the
     * error checking during this pass, since we have already parsed the
     * string once.
     */

	    if (count == BINARY_ALL) {
		count = length;
	    } else if (count == BINARY_NOCOUNT) {
		count = 1;
	    }
	    if (length >= count) {
		memcpy(cursor, bytes, (size_t) count);
	    } else {
		memcpy(cursor, bytes, (size_t) length);
		memset(cursor + length, pad, (size_t) (count - length));
	    }
	    cursor += count;
	    break;
	}
	case 'b':
	case 'B': {
	    unsigned char *last;

	    str = TclGetStringFromObj(objv[arg], &length);
	    arg++;
	    if (count == BINARY_ALL) {
		count = length;
	    } else if (count == BINARY_NOCOUNT) {
		count = 1;
	    }
	    last = cursor + ((count + 7) / 8);

	    break;
	}
	case 'h':
	case 'H': {
	    unsigned char *last;
	    int c;

	    str = TclGetStringFromObj(objv[arg], &length);
	    arg++;
	    if (count == BINARY_ALL) {
		count = length;
	    } else if (count == BINARY_NOCOUNT) {
		count = 1;
	    }
	    last = cursor + ((count + 1) / 2);

	case 'W':
	case 'r':
	case 'R':
	case 'd':
	case 'q':
	case 'Q':
	case 'f': {
	    int listc, i;
	    Tcl_Obj **listv;

	    if (count == BINARY_NOCOUNT) {
		/*
		 * Note that we are casting away the const-ness of objv, but
		 * this is safe since we aren't going to modify the array.
		 */

		listv = (Tcl_Obj **) (objv + arg);
		listc = 1;
		count = 1;
	    } else {
		TclListObjGetElements(interp, objv[arg], &listc, &listv);
		if (count == BINARY_ALL) {
		    count = listc;
		}
	    }
	    arg++;
	    for (i = 0; i < count; i++) {
		if (FormatNumber(interp, cmd, listv[i], &cursor)!=TCL_OK) {
		    Tcl_DecrRefCount(resultPtr);
		    return TCL_ERROR;
		}
	    }
	    break;
	}
	case 'x':
	    if (count == BINARY_NOCOUNT) {
		count = 1;
	    }
	    memset(cursor, 0, (size_t) count);
	    cursor += count;
	    break;
	case 'X':
	    if (cursor > maxPos) {
		maxPos = cursor;
	    }
	    if (count == BINARY_NOCOUNT) {
		count = 1;
	    }
	    if ((count == BINARY_ALL) || (count > (cursor - buffer))) {

		cursor = buffer;
	    } else {
		cursor -= count;
	    }
	    break;
	case '@':
	    if (cursor > maxPos) {

	buf[Tcl_UniCharToUtf(ch, buf)] = '\0';
	Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		"bad field specifier \"%s\"", buf));
	return TCL_ERROR;
    }

 error:
    Tcl_SetObjResult(interp, Tcl_NewStringObj(errorString, -1));
    return TCL_ERROR;
}

/*
 *----------------------------------------------------------------------
 *
 * BinaryScanCmd --

 *----------------------------------------------------------------------
 */

int
BinaryScanCmd(
    ClientData dummy,		/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    int arg;			/* Index of next argument to consume. */
    int value = 0;		/* Current integer value to be packed.
				 * Initialized to avoid compiler warning. */
    char cmd;			/* Current format character. */
    int count;			/* Count associated with current format
				 * character. */
    int flags;			/* Format field flags */
    const char *format;	/* Pointer to current position in format
				 * string. */
    Tcl_Obj *resultPtr = NULL;	/* Object holding result buffer. */
    unsigned char *buffer;	/* Start of result buffer. */
    const char *errorString;
    const char *str;
    int offset, size, length;

    int i;
    Tcl_Obj *valuePtr, *elementPtr;
    Tcl_HashTable numberCacheHash;
    Tcl_HashTable *numberCachePtr;

    if (objc < 3) {
	Tcl_WrongNumArgs(interp, 1, objv,
		"value formatString ?varName ...?");

    }

    /*
     * Set the result to the last position of the cursor.
     */

 done:
    Tcl_SetObjResult(interp, Tcl_NewLongObj(arg - 3));
    DeleteScanNumberCache(numberCachePtr);

    return TCL_OK;

 badCount:
    errorString = "missing count for \"@\" field specifier";
    goto error;

	buf[Tcl_UniCharToUtf(ch, buf)] = '\0';
	Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		"bad field specifier \"%s\"", buf));
	return TCL_ERROR;
    }

 error:
    Tcl_SetObjResult(interp, Tcl_NewStringObj(errorString, -1));
    return TCL_ERROR;
}

/*
 *----------------------------------------------------------------------
 *
 * GetFormatSpec --

 *----------------------------------------------------------------------
 */

static int
GetFormatSpec(
    const char **formatPtr,	/* Pointer to format string. */
    char *cmdPtr,		/* Pointer to location of command char. */
    int *countPtr,		/* Pointer to repeat count value. */
    int *flagsPtr)		/* Pointer to field flags */
{
    /*
     * Skip any leading blanks.
     */

    while (**formatPtr == ' ') {

 *----------------------------------------------------------------------
 */

static void
CopyNumber(
    const void *from,		/* source */
    void *to,			/* destination */
    unsigned length,		/* Number of bytes to copy */
    int type)			/* What type of thing are we copying? */
{
    switch (NeedReversing(type)) {
    case 0:
	memcpy(to, from, length);
	break;
    case 1: {

 *----------------------------------------------------------------------
 */

static int
BinaryEncodeHex(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    Tcl_Obj *resultObj = NULL;
    unsigned char *data = NULL;
    unsigned char *cursor = NULL;
    int offset = 0, count = 0;

    if (objc != 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "data");
	return TCL_ERROR;
    }

    TclNewObj(resultObj);

 *----------------------------------------------------------------------
 */

static int
BinaryDecodeHex(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    Tcl_Obj *resultObj = NULL;
    unsigned char *data, *datastart, *dataend;
    unsigned char *begin, *cursor, c;

    int i, index, value, size, count = 0, cut = 0, strict = 0;
    enum {OPT_STRICT };
    static const char *const optStrings[] = { "-strict", NULL };

    if (objc < 2 || objc > 3) {
	Tcl_WrongNumArgs(interp, 1, objv, "?options? data");
	return TCL_ERROR;
    }

	    strict = 1;
	    break;
	}
    }

    TclNewObj(resultObj);
    datastart = data = (unsigned char *)
	    TclGetStringFromObj(objv[objc-1], &count);
    dataend = data + count;
    size = (count + 1) / 2;
    begin = cursor = Tcl_SetByteArrayLength(resultObj, size);
    while (data < dataend) {
	value = 0;
	for (i=0 ; i<2 ; i++) {
	    if (data >= dataend) {

	}
	*cursor++ = UCHAR(value);
	value = 0;
    }
    if (cut > size) {
	cut = size;
    }
    Tcl_SetByteArrayLength(resultObj, cursor - begin - cut);
    Tcl_SetObjResult(interp, resultObj);
    return TCL_OK;

  badChar:
    TclDecrRefCount(resultObj);
    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
	    "invalid hexadecimal digit \"%c\" at position %d",

	}						\
    } while (0)

static int
BinaryEncode64(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    Tcl_Obj *resultObj;
    unsigned char *data, *cursor, *limit;
    int maxlen = 0;

    const char *wrapchar = "\n";
    int wrapcharlen = 1;
    int offset, i, index, size, outindex = 0, count = 0;
    enum {OPT_MAXLEN, OPT_WRAPCHAR };
    static const char *const optStrings[] = { "-maxlen", "-wrapchar", NULL };

    if (objc < 2 || objc%2 != 0) {
	Tcl_WrongNumArgs(interp, 1, objv,
		"?-maxlen len? ?-wrapchar char? data");
	return TCL_ERROR;
    }
    for (i = 1; i < objc-1; i += 2) {
	if (Tcl_GetIndexFromObjStruct(interp, objv[i], optStrings,
		sizeof(char *), "option", TCL_EXACT, &index) != TCL_OK) {
	    return TCL_ERROR;
	}
	switch (index) {
	case OPT_MAXLEN:
	    if (Tcl_GetIntFromObj(interp, objv[i+1], &maxlen) != TCL_OK) {





		return TCL_ERROR;
	    }
	    if (maxlen < 0) {
		Tcl_SetObjResult(interp, Tcl_NewStringObj(
			"line length out of range", -1));
		Tcl_SetErrorCode(interp, "TCL", "BINARY", "ENCODE",
			"LINE_LENGTH", NULL);
		return TCL_ERROR;
	    }

	    break;
	case OPT_WRAPCHAR:
	    wrapchar = Tcl_GetStringFromObj(objv[i+1], &wrapcharlen);
	    if (wrapcharlen == 0) {
		maxlen = 0;
	    }
	    break;

 *----------------------------------------------------------------------
 */

static int
BinaryEncodeUu(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    Tcl_Obj *resultObj;
    unsigned char *data, *start, *cursor;
    int offset, count, rawLength, n, i, j, bits, index;
    int lineLength = 61;
    const unsigned char SingleNewline[] = { (unsigned char) '\n' };
    const unsigned char *wrapchar = SingleNewline;
    int wrapcharlen = sizeof(SingleNewline);
    enum { OPT_MAXLEN, OPT_WRAPCHAR };
    static const char *const optStrings[] = { "-maxlen", "-wrapchar", NULL };

    if (objc < 2 || objc%2 != 0) {
	Tcl_WrongNumArgs(interp, 1, objv,
		"?-maxlen len? ?-wrapchar char? data");
	return TCL_ERROR;

 *----------------------------------------------------------------------
 */

static int
BinaryDecodeUu(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    Tcl_Obj *resultObj = NULL;
    unsigned char *data, *datastart, *dataend;
    unsigned char *begin, *cursor;
    int i, index, size, count = 0, strict = 0, lineLen;

    unsigned char c;
    enum {OPT_STRICT };
    static const char *const optStrings[] = { "-strict", NULL };

    if (objc < 2 || objc > 3) {
	Tcl_WrongNumArgs(interp, 1, objv, "?options? data");
	return TCL_ERROR;
    }
    for (i = 1; i < objc-1; ++i) {
	if (Tcl_GetIndexFromObjStruct(interp, objv[i], optStrings,
		sizeof(char *), "option", TCL_EXACT, &index) != TCL_OK) {
	    return TCL_ERROR;
	}
	switch (index) {
	case OPT_STRICT:
	    strict = 1;
	    break;
	}
    }

    TclNewObj(resultObj);
    datastart = data = (unsigned char *)
	    TclGetStringFromObj(objv[objc-1], &count);
    dataend = data + count;
    size = ((count + 3) & ~3) * 3 / 4;
    begin = cursor = Tcl_SetByteArrayLength(resultObj, size);
    lineLen = -1;

    /*
     * The decoding loop. First, we get the length of line (strictly, the
     * number of data bytes we expect to generate from the line) we're
     * processing this time round if it is not already known (i.e., when the
     * lineLen variable is set to the magic value, -1).
     */

    while (data < dataend) {
	char d[4] = {0, 0, 0, 0};

	if (lineLen < 0) {
	    c = *data++;
	    if (c < 32 || c > 96) {
		if (strict || !isspace(c)) {
		    goto badUu;
		}
		i--;
		continue;

	/*
	 * If we've reached the end of the line, skip until we process a
	 * newline.
	 */

	if (lineLen == 0 && data < dataend) {
	    lineLen = -1;
	    do {
		c = *data++;
		if (c == '\n') {
		    break;
		} else if (c >= 32 && c <= 96) {
		    data--;
		    break;

    /*
     * Sanity check, clean up and finish.
     */

    if (lineLen > 0 && strict) {
	goto shortUu;
    }
    Tcl_SetByteArrayLength(resultObj, cursor - begin);
    Tcl_SetObjResult(interp, resultObj);
    return TCL_OK;

  shortUu:
    Tcl_SetObjResult(interp, Tcl_ObjPrintf("short uuencode data"));
    Tcl_SetErrorCode(interp, "TCL", "BINARY", "DECODE", "SHORT", NULL);
    TclDecrRefCount(resultObj);

 *----------------------------------------------------------------------
 */

static int
BinaryDecode64(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    Tcl_Obj *resultObj = NULL;
    unsigned char *data, *datastart, *dataend, c = '\0';
    unsigned char *begin = NULL;
    unsigned char *cursor = NULL;
    int strict = 0;
    int i, index, size, cut = 0, count = 0;
    enum { OPT_STRICT };
    static const char *const optStrings[] = { "-strict", NULL };

    if (objc < 2 || objc > 3) {
	Tcl_WrongNumArgs(interp, 1, objv, "?options? data");
	return TCL_ERROR;
    }

	    strict = 1;
	    break;
	}
    }

    TclNewObj(resultObj);
    datastart = data = (unsigned char *)
	    TclGetStringFromObj(objv[objc-1], &count);
    dataend = data + count;
    size = ((count + 3) & ~3) * 3 / 4;
    begin = cursor = Tcl_SetByteArrayLength(resultObj, size);
    while (data < dataend) {
	unsigned long value = 0;

	/*

    }
    Tcl_SetByteArrayLength(resultObj, cursor - begin - cut);
    Tcl_SetObjResult(interp, resultObj);
    return TCL_OK;

  bad64:
    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
	    "invalid base64 character \"%c\" at position %d",
	    (char) c, (int) (data - datastart - 1)));
    TclDecrRefCount(resultObj);
    return TCL_ERROR;
}

/*
 * Local Variables:
 * mode: c
 * c-basic-offset: 4
 * fill-column: 78
 * End:
 */

static int ckallocInit = 0;

/*
 * Prototypes for procedures defined in this file:
 */

static int		CheckmemCmd(ClientData clientData, Tcl_Interp *interp,
			    int argc, const char *argv[]);
static int		MemoryCmd(ClientData clientData, Tcl_Interp *interp,
			    int argc, const char *argv[]);
static void		ValidateMemory(struct mem_header *memHeaderP,
			    const char *file, int line, int nukeGuards);

/*
 *----------------------------------------------------------------------
 *
 * TclInitDbCkalloc --

	    (unsigned long)current_bytes_malloced,
	    maximum_malloc_packets,
	    (unsigned long)maximum_bytes_malloced);
    if (flags == 0) {
	fprintf((FILE *)clientData, "%s", buf);
    } else {
	/* Assume objPtr to append to */
	Tcl_AppendToObj((Tcl_Obj *) clientData, buf, -1);
    }
    return 1;
}

/*
 *----------------------------------------------------------------------
 *

 *	and __LINE__.
 *
 *----------------------------------------------------------------------
 */

char *
Tcl_DbCkalloc(
    unsigned int size,
    const char *file,
    int line)
{
    struct mem_header *result = NULL;

    if (validate_memory) {
	Tcl_ValidateAllMemory(file, line);
    }

    /* Don't let size argument to TclpAlloc overflow */
    if (size <= UINT_MAX - HIGH_GUARD_SIZE -sizeof(struct mem_header)) {
	result = (struct mem_header *) TclpAlloc((unsigned)size +
		sizeof(struct mem_header) + HIGH_GUARD_SIZE);
    }
    if (result == NULL) {
	fflush(stdout);
	TclDumpMemoryInfo((ClientData) stderr, 0);
	Tcl_Panic("unable to alloc %u bytes, %s line %d", size, file, line);
    }

    /*
     * Fill in guard zones and size. Also initialize the contents of the block
     * with bogus bytes to detect uses of initialized data. Link into
     * allocated list.
     */

		total_mallocs);
	fflush(stderr);
	alloc_tracing = TRUE;
	trace_on_at_malloc = 0;
    }

    if (alloc_tracing) {
	fprintf(stderr,"ckalloc %lx %u %s %d\n",
		(long unsigned int) result->body, size, file, line);
    }

    if (break_on_malloc && (total_mallocs >= break_on_malloc)) {
	break_on_malloc = 0;
	(void) fflush(stdout);
	Tcl_Panic("reached malloc break limit (%d)", total_mallocs);

    Tcl_MutexUnlock(ckallocMutexPtr);

    return result->body;
}

char *
Tcl_AttemptDbCkalloc(
    unsigned int size,
    const char *file,
    int line)
{
    struct mem_header *result = NULL;

    if (validate_memory) {
	Tcl_ValidateAllMemory(file, line);

		total_mallocs);
	fflush(stderr);
	alloc_tracing = TRUE;
	trace_on_at_malloc = 0;
    }

    if (alloc_tracing) {
	fprintf(stderr,"ckalloc %lx %u %s %d\n",
		(long unsigned int) result->body, size, file, line);
    }

    if (break_on_malloc && (total_mallocs >= break_on_malloc)) {
	break_on_malloc = 0;
	(void) fflush(stdout);
	Tcl_Panic("reached malloc break limit (%d)", total_mallocs);

 *
 *--------------------------------------------------------------------
 */

char *
Tcl_DbCkrealloc(
    char *ptr,
    unsigned int size,
    const char *file,
    int line)
{
    char *newPtr;
    unsigned int copySize;
    struct mem_header *memp;

    Tcl_DbCkfree(ptr, file, line);
    return newPtr;
}

char *
Tcl_AttemptDbCkrealloc(
    char *ptr,
    unsigned int size,
    const char *file,
    int line)
{
    char *newPtr;
    unsigned int copySize;
    struct mem_header *memp;

 *	Same as the debug versions.
 *
 *----------------------------------------------------------------------
 */

char *
Tcl_Alloc(
    unsigned int size)
{
    return Tcl_DbCkalloc(size, "unknown", 0);
}

char *
Tcl_AttemptAlloc(
    unsigned int size)
{
    return Tcl_AttemptDbCkalloc(size, "unknown", 0);
}

void
Tcl_Free(
    char *ptr)
{
    Tcl_DbCkfree(ptr, "unknown", 0);
}

char *
Tcl_Realloc(
    char *ptr,
    unsigned int size)
{
    return Tcl_DbCkrealloc(ptr, size, "unknown", 0);
}

char *
Tcl_AttemptRealloc(
    char *ptr,
    unsigned int size)
{
    return Tcl_AttemptDbCkrealloc(ptr, size, "unknown", 0);
}

/*
 *----------------------------------------------------------------------
 *

 *----------------------------------------------------------------------
 */
	/* ARGSUSED */
static int
MemoryCmd(
    ClientData clientData,
    Tcl_Interp *interp,
    int argc,
    const char *argv[])
{
    const char *fileName;
    FILE *fileP;
    Tcl_DString buffer;
    int result;
    size_t len;

 *----------------------------------------------------------------------
 */

static int
CheckmemCmd(
    ClientData clientData,	/* Not used. */
    Tcl_Interp *interp,		/* Interpreter for evaluation. */
    int argc,			/* Number of arguments. */
    const char *argv[])		/* String values of arguments. */
{
    if (argc != 2) {
	Tcl_SetObjResult(interp, Tcl_ObjPrintf(
                "wrong # args: should be \"%s fileName\"", argv[0]));
	return TCL_ERROR;
    }

 *	that memory was actually allocated.
 *
 *----------------------------------------------------------------------
 */

char *
Tcl_Alloc(
    unsigned int size)
{
    char *result;

    result = TclpAlloc(size);

    /*
     * Most systems will not alloc(0), instead bumping it to one so that NULL
     * isn't returned. Some systems (AIX, Tru64) will alloc(0) by returning
     * NULL, so we have to check that the NULL we get is not in response to
     * alloc(0).
     *
     * The ANSI spec actually says that systems either return NULL *or* a
     * special pointer on failure, but we only check for NULL
     */

    if ((result == NULL) && size) {
	Tcl_Panic("unable to alloc %u bytes", size);
    }
    return result;
}

char *
Tcl_DbCkalloc(
    unsigned int size,
    const char *file,
    int line)
{
    char *result;

    result = (char *) TclpAlloc(size);

    if ((result == NULL) && size) {
	fflush(stdout);
	Tcl_Panic("unable to alloc %u bytes, %s line %d", size, file, line);
    }
    return result;
}

/*
 *----------------------------------------------------------------------
 *
 * Tcl_AttemptAlloc --
 *
 *	Interface to TclpAlloc when TCL_MEM_DEBUG is disabled. It does not
 *	check that memory was actually allocated.
 *
 *----------------------------------------------------------------------
 */

char *
Tcl_AttemptAlloc(
    unsigned int size)
{
    char *result;

    result = TclpAlloc(size);
    return result;
}

char *
Tcl_AttemptDbCkalloc(
    unsigned int size,
    const char *file,
    int line)
{
    char *result;

    result = (char *) TclpAlloc(size);
    return result;
}

/*
 *----------------------------------------------------------------------
 *
 * Tcl_Realloc --
 *
 *	Interface to TclpRealloc when TCL_MEM_DEBUG is disabled. It does check
 *	that memory was actually allocated.
 *
 *----------------------------------------------------------------------
 */

char *
Tcl_Realloc(
    char *ptr,
    unsigned int size)
{
    char *result;

    result = TclpRealloc(ptr, size);

    if ((result == NULL) && size) {
	Tcl_Panic("unable to realloc %u bytes", size);
    }
    return result;
}

char *
Tcl_DbCkrealloc(
    char *ptr,
    unsigned int size,
    const char *file,
    int line)
{
    char *result;

    result = (char *) TclpRealloc(ptr, size);

    if ((result == NULL) && size) {
	fflush(stdout);
	Tcl_Panic("unable to realloc %u bytes, %s line %d", size, file, line);
    }
    return result;
}

/*
 *----------------------------------------------------------------------
 *
 * Tcl_AttemptRealloc --
 *
 *	Interface to TclpRealloc when TCL_MEM_DEBUG is disabled. It does not
 *	check that memory was actually allocated.
 *
 *----------------------------------------------------------------------
 */

char *
Tcl_AttemptRealloc(
    char *ptr,
    unsigned int size)
{
    char *result;

    result = TclpRealloc(ptr, size);
    return result;
}

char *
Tcl_AttemptDbCkrealloc(
    char *ptr,
    unsigned int size,
    const char *file,
    int line)
{
    char *result;

    result = (char *) TclpRealloc(ptr, size);
    return result;
}

/*
 *----------------------------------------------------------------------
 *
 * Tcl_Free --

/*
 * Function prototypes for local procedures in this file:
 */

static int		ConvertUTCToLocal(Tcl_Interp *,
			    TclDateFields *, Tcl_Obj *, int);
static int		ConvertUTCToLocalUsingTable(Tcl_Interp *,
			    TclDateFields *, int, Tcl_Obj *const[]);
static int		ConvertUTCToLocalUsingC(Tcl_Interp *,
			    TclDateFields *, int);
static int		ConvertLocalToUTC(Tcl_Interp *,
			    TclDateFields *, Tcl_Obj *, int);
static int		ConvertLocalToUTCUsingTable(Tcl_Interp *,
			    TclDateFields *, int, Tcl_Obj *const[]);
static int		ConvertLocalToUTCUsingC(Tcl_Interp *,
			    TclDateFields *, int);
static Tcl_Obj *	LookupLastTransition(Tcl_Interp *, Tcl_WideInt,
			    int, Tcl_Obj *const *);
static void		GetYearWeekDay(TclDateFields *, int);
static void		GetGregorianEraYearDay(TclDateFields *, int);
static void		GetMonthDay(TclDateFields *);
static void		GetJulianDayFromEraYearWeekDay(TclDateFields *, int);
static void		GetJulianDayFromEraYearMonthDay(TclDateFields *, int);
static int		IsGregorianLeapYear(TclDateFields *);
static int		WeekdayOnOrBefore(int, int);
static int		ClockClicksObjCmd(
			    ClientData clientData, Tcl_Interp *interp,
			    int objc, Tcl_Obj *const objv[]);
static int		ClockConvertlocaltoutcObjCmd(
			    ClientData clientData, Tcl_Interp *interp,
			    int objc, Tcl_Obj *const objv[]);
static int		ClockGetdatefieldsObjCmd(
			    ClientData clientData, Tcl_Interp *interp,
			    int objc, Tcl_Obj *const objv[]);
static int		ClockGetjuliandayfromerayearmonthdayObjCmd(
			    ClientData clientData, Tcl_Interp *interp,
			    int objc, Tcl_Obj *const objv[]);
static int		ClockGetjuliandayfromerayearweekdayObjCmd(
			    ClientData clientData, Tcl_Interp *interp,
			    int objc, Tcl_Obj *const objv[]);
static int		ClockGetenvObjCmd(
			    ClientData clientData, Tcl_Interp *interp,
			    int objc, Tcl_Obj *const objv[]);
static int		ClockMicrosecondsObjCmd(
			    ClientData clientData, Tcl_Interp *interp,
			    int objc, Tcl_Obj *const objv[]);
static int		ClockMillisecondsObjCmd(
			    ClientData clientData, Tcl_Interp *interp,
			    int objc, Tcl_Obj *const objv[]);
static int		ClockParseformatargsObjCmd(
			    ClientData clientData, Tcl_Interp *interp,
			    int objc, Tcl_Obj *const objv[]);
static int		ClockSecondsObjCmd(
			    ClientData clientData, Tcl_Interp *interp,
			    int objc, Tcl_Obj *const objv[]);
static struct tm *	ThreadSafeLocalTime(const time_t *);
static void		TzsetIfNecessary(void);
static void		ClockDeleteCmdProc(ClientData);

/*
 * Structure containing description of "native" clock commands to create.
 */

     * Create the client data, which is a refcounted literal pool.
     */

    data = ckalloc(sizeof(ClockClientData));
    data->refCount = 0;
    data->literals = ckalloc(LIT__END * sizeof(Tcl_Obj*));
    for (i = 0; i < LIT__END; ++i) {
	data->literals[i] = Tcl_NewStringObj(literals[i], -1);
	Tcl_IncrRefCount(data->literals[i]);
    }

    /*
     * Install the commands.
     */

 *----------------------------------------------------------------------
 */

static int
ClockConvertlocaltoutcObjCmd(
    ClientData clientData,	/* Client data */
    Tcl_Interp *interp,		/* Tcl interpreter */
    int objc,			/* Parameter count */
    Tcl_Obj *const *objv)	/* Parameter vector */
{
    ClockClientData *data = clientData;
    Tcl_Obj *const *literals = data->literals;
    Tcl_Obj *secondsObj;
    Tcl_Obj *dict;
    int changeover;

    dict = objv[1];
    if (Tcl_DictObjGet(interp, dict, literals[LIT_LOCALSECONDS],
	    &secondsObj)!= TCL_OK) {
	return TCL_ERROR;
    }
    if (secondsObj == NULL) {
	Tcl_SetObjResult(interp, Tcl_NewStringObj("key \"localseconds\" not "
		"found in dictionary", -1));
	return TCL_ERROR;
    }
    if ((Tcl_GetWideIntFromObj(interp, secondsObj,
	    &fields.localSeconds) != TCL_OK)
	|| (TclGetIntFromObj(interp, objv[3], &changeover) != TCL_OK)
	|| ConvertLocalToUTC(interp, &fields, objv[2], changeover)) {
	return TCL_ERROR;

 *----------------------------------------------------------------------
 */

int
ClockGetdatefieldsObjCmd(
    ClientData clientData,	/* Opaque pointer to literal pool, etc. */
    Tcl_Interp *interp,		/* Tcl interpreter */
    int objc,			/* Parameter count */
    Tcl_Obj *const *objv)	/* Parameter vector */
{
    TclDateFields fields;
    Tcl_Obj *dict;
    ClockClientData *data = clientData;
    Tcl_Obj *const *literals = data->literals;
    int changeover;

 *----------------------------------------------------------------------
 */

static int
ClockGetjuliandayfromerayearmonthdayObjCmd(
    ClientData clientData,	/* Opaque pointer to literal pool, etc. */
    Tcl_Interp *interp,		/* Tcl interpreter */
    int objc,			/* Parameter count */
    Tcl_Obj *const *objv)	/* Parameter vector */
{
    TclDateFields fields;
    Tcl_Obj *dict;
    ClockClientData *data = clientData;
    Tcl_Obj *const *literals = data->literals;
    Tcl_Obj *fieldPtr;

 *----------------------------------------------------------------------
 */

static int
ClockGetjuliandayfromerayearweekdayObjCmd(
    ClientData clientData,	/* Opaque pointer to literal pool, etc. */
    Tcl_Interp *interp,		/* Tcl interpreter */
    int objc,			/* Parameter count */
    Tcl_Obj *const *objv)	/* Parameter vector */
{
    TclDateFields fields;
    Tcl_Obj *dict;
    ClockClientData *data = clientData;
    Tcl_Obj *const *literals = data->literals;
    Tcl_Obj *fieldPtr;

static int
ConvertLocalToUTC(
    Tcl_Interp *interp,		/* Tcl interpreter */
    TclDateFields *fields,	/* Fields of the time */
    Tcl_Obj *tzdata,		/* Time zone data */
    int changeover)		/* Julian Day of the Gregorian transition */
{
    int rowc;			/* Number of rows in tzdata */
    Tcl_Obj **rowv;		/* Pointers to the rows */

    /*
     * Unpack the tz data.
     */

    if (TclListObjGetElements(interp, tzdata, &rowc, &rowv) != TCL_OK) {

 *----------------------------------------------------------------------
 */

static int
ConvertLocalToUTCUsingTable(
    Tcl_Interp *interp,		/* Tcl interpreter */
    TclDateFields *fields,	/* Time to convert, with 'seconds' filled in */
    int rowc,			/* Number of points at which time changes */
    Tcl_Obj *const rowv[])	/* Points at which time changes */
{
    Tcl_Obj *row;
    int cellc;
    Tcl_Obj **cellv;
    int have[8];
    int nHave = 0;
    int i;
    int found;

    /*

    /*
     * If conversion fails, report an error.
     */

    if (localErrno != 0
	    || (fields->seconds == -1 && timeVal.tm_yday == -1)) {
	Tcl_SetObjResult(interp, Tcl_NewStringObj(
		"time value too large/small to represent", -1));
	return TCL_ERROR;
    }
    return TCL_OK;
}

/*
 *----------------------------------------------------------------------

static int
ConvertUTCToLocal(
    Tcl_Interp *interp,		/* Tcl interpreter */
    TclDateFields *fields,	/* Fields of the time */
    Tcl_Obj *tzdata,		/* Time zone data */
    int changeover)		/* Julian Day of the Gregorian transition */
{
    int rowc;			/* Number of rows in tzdata */
    Tcl_Obj **rowv;		/* Pointers to the rows */

    /*
     * Unpack the tz data.
     */

    if (TclListObjGetElements(interp, tzdata, &rowc, &rowv) != TCL_OK) {

 *----------------------------------------------------------------------
 */

static int
ConvertUTCToLocalUsingTable(
    Tcl_Interp *interp,		/* Tcl interpreter */
    TclDateFields *fields,	/* Fields of the date */
    int rowc,			/* Number of rows in the conversion table
				 * (>= 1) */
    Tcl_Obj *const rowv[])	/* Rows of the conversion table */
{
    Tcl_Obj *row;		/* Row containing the current information */
    int cellc;			/* Count of cells in the row (must be 4) */
    Tcl_Obj **cellv;		/* Pointers to the cells */

    /*
     * Look up the nearest transition time.
     */

    row = LookupLastTransition(interp, fields->seconds, rowc, rowv);

    /*
     * Use 'localtime' to determine local year, month, day, time of day.
     */

    tock = (time_t) fields->seconds;
    if ((Tcl_WideInt) tock != fields->seconds) {
	Tcl_SetObjResult(interp, Tcl_NewStringObj(
		"number too large to represent as a Posix time", -1));

	Tcl_SetErrorCode(interp, "CLOCK", "argTooLarge", NULL);
	return TCL_ERROR;
    }
    TzsetIfNecessary();
    timeVal = ThreadSafeLocalTime(&tock);
    if (timeVal == NULL) {
	Tcl_SetObjResult(interp, Tcl_NewStringObj(
		"localtime failed (clock value may be too "
		"large/small to represent)", -1));
	Tcl_SetErrorCode(interp, "CLOCK", "localtimeFailed", NULL);
	return TCL_ERROR;
    }

    /*
     * Fill in the date in 'fields' and use it to derive Julian Day.
     */

    sprintf(buffer+1, "%02d", diff / 3600);
    diff %= 3600;
    sprintf(buffer+3, "%02d", diff / 60);
    diff %= 60;
    if (diff > 0) {
	sprintf(buffer+5, "%02d", diff);
    }
    fields->tzName = Tcl_NewStringObj(buffer, -1);
    Tcl_IncrRefCount(fields->tzName);
    return TCL_OK;
}

/*
 *----------------------------------------------------------------------
 *

 *----------------------------------------------------------------------
 */

static Tcl_Obj *
LookupLastTransition(
    Tcl_Interp *interp,		/* Interpreter for error messages */
    Tcl_WideInt tick,		/* Time from the epoch */
    int rowc,			/* Number of rows of tzdata */
    Tcl_Obj *const *rowv)	/* Rows in tzdata */
{
    int l;
    int u;
    Tcl_Obj *compObj;
    Tcl_WideInt compVal;

 *----------------------------------------------------------------------
 */

int
ClockGetenvObjCmd(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    const char *varName;
    const char *varValue;

    if (objc != 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "name");
	return TCL_ERROR;
    }
    varName = TclGetString(objv[1]);
    varValue = getenv(varName);
    if (varValue == NULL) {
	varValue = "";
    }
    Tcl_SetObjResult(interp, Tcl_NewStringObj(varValue, -1));
    return TCL_OK;
}

/*
 *----------------------------------------------------------------------
 *
 * ThreadSafeLocalTime --

 *----------------------------------------------------------------------
 */

int
ClockClicksObjCmd(
    ClientData clientData,	/* Client data is unused */
    Tcl_Interp *interp,		/* Tcl interpreter */
    int objc,			/* Parameter count */
    Tcl_Obj *const *objv)	/* Parameter values */
{
    static const char *const clicksSwitches[] = {
	"-milliseconds", "-microseconds", NULL
    };
    enum ClicksSwitch {
	CLICKS_MILLIS, CLICKS_MICROS, CLICKS_NATIVE

 *----------------------------------------------------------------------
 */

int
ClockMillisecondsObjCmd(
    ClientData clientData,	/* Client data is unused */
    Tcl_Interp *interp,		/* Tcl interpreter */
    int objc,			/* Parameter count */
    Tcl_Obj *const *objv)	/* Parameter values */
{
    Tcl_Time now;

    if (objc != 1) {
	Tcl_WrongNumArgs(interp, 1, objv, NULL);
	return TCL_ERROR;

 *----------------------------------------------------------------------
 */

int
ClockMicrosecondsObjCmd(
    ClientData clientData,	/* Client data is unused */
    Tcl_Interp *interp,		/* Tcl interpreter */
    int objc,			/* Parameter count */
    Tcl_Obj *const *objv)	/* Parameter values */
{
    Tcl_Time now;

    if (objc != 1) {
	Tcl_WrongNumArgs(interp, 1, objv, NULL);
	return TCL_ERROR;

 *-----------------------------------------------------------------------------
 */

static int
ClockParseformatargsObjCmd(
    ClientData clientData,	/* Client data containing literal pool */
    Tcl_Interp *interp,		/* Tcl interpreter */
    int objc,			/* Parameter count */
    Tcl_Obj *const objv[])	/* Parameter vector */
{
    ClockClientData *dataPtr = clientData;
    Tcl_Obj **litPtr = dataPtr->literals;
    Tcl_Obj *results[3];	/* Format, locale and timezone */
#define formatObj results[0]
#define localeObj results[1]
#define timezoneObj results[2]
    int gmtFlag = 0;
    static const char *const options[] = { /* Command line options expected */
	"-format",	"-gmt",		"-locale",
	"-timezone",	NULL };
    enum optionInd {
	CLOCK_FORMAT_FORMAT,	CLOCK_FORMAT_GMT,	CLOCK_FORMAT_LOCALE,
	CLOCK_FORMAT_TIMEZONE
    };
    int optionIndex;		/* Index of an option. */
    int saw = 0;		/* Flag == 1 if option was seen already. */
    Tcl_WideInt clockVal;	/* Clock value - just used to parse. */
    int i;

    /*
     * Args consist of a time followed by keyword-value pairs.
     */

    if (objc < 2 || (objc % 2) != 0) {
	Tcl_WrongNumArgs(interp, 0, objv,

 *----------------------------------------------------------------------
 */

int
ClockSecondsObjCmd(
    ClientData clientData,	/* Client data is unused */
    Tcl_Interp *interp,		/* Tcl interpreter */
    int objc,			/* Parameter count */
    Tcl_Obj *const *objv)	/* Parameter values */
{
    Tcl_Time now;

    if (objc != 1) {
	Tcl_WrongNumArgs(interp, 1, objv, NULL);
	return TCL_ERROR;

 * all its working arrays appended afterwards so they can be allocated and
 * freed in a single step.
 */

struct ForeachState {
    Tcl_Obj *bodyPtr;		/* The script body of the command. */
    int bodyIdx;		/* The argument index of the body. */
    int j, maxj;		/* Number of loop iterations. */
    int numLists;		/* Count of value lists. */
    int *index;			/* Array of value list indices. */
    int *varcList;		/* # loop variables per list. */
    Tcl_Obj ***varvList;	/* Array of var name lists. */
    Tcl_Obj **vCopyList;	/* Copies of var name list arguments. */
    int *argcList;		/* Array of value list sizes. */
    Tcl_Obj ***argvList;	/* Array of value lists. */
    Tcl_Obj **aCopyList;	/* Copies of value list arguments. */
    Tcl_Obj *resultList;	/* List of result values from the loop body,
				 * or NULL if we're not collecting them
				 * ([lmap] vs [foreach]). */
};

/*
 * Prototypes for local procedures defined in this file:
 */

static int		CheckAccess(Tcl_Interp *interp, Tcl_Obj *pathPtr,
			    int mode);
static int		EncodingDirsObjCmd(ClientData dummy,
			    Tcl_Interp *interp, int objc,
			    Tcl_Obj *const objv[]);
static inline int	ForeachAssignments(Tcl_Interp *interp,
			    struct ForeachState *statePtr);
static inline void	ForeachCleanup(Tcl_Interp *interp,
			    struct ForeachState *statePtr);
static int		GetStatBuf(Tcl_Interp *interp, Tcl_Obj *pathPtr,
			    Tcl_FSStatProc *statProc, Tcl_StatBuf *statPtr);
static const char *	GetTypeFromMode(int mode);
static int		StoreStatData(Tcl_Interp *interp, Tcl_Obj *varName,
			    Tcl_StatBuf *statPtr);
static inline int	EachloopCmd(Tcl_Interp *interp, int collect,
			    int objc, Tcl_Obj *const objv[]);
static Tcl_NRPostProc	CatchObjCmdCallback;
static Tcl_NRPostProc	ExprCallback;
static Tcl_NRPostProc	ForSetupCallback;
static Tcl_NRPostProc	ForCondCallback;
static Tcl_NRPostProc	ForNextCallback;
static Tcl_NRPostProc	ForPostNextCallback;
static Tcl_NRPostProc	ForeachLoopStep;
static Tcl_NRPostProc	EvalCmdErrMsg;

static Tcl_ObjCmdProc	BadFileSubcommand;
static Tcl_ObjCmdProc FileAttrAccessTimeCmd;
static Tcl_ObjCmdProc FileAttrIsDirectoryCmd;
static Tcl_ObjCmdProc FileAttrIsExecutableCmd;
static Tcl_ObjCmdProc FileAttrIsExistingCmd;
static Tcl_ObjCmdProc FileAttrIsFileCmd;
static Tcl_ObjCmdProc FileAttrIsOwnedCmd;
static Tcl_ObjCmdProc FileAttrIsReadableCmd;
static Tcl_ObjCmdProc FileAttrIsWritableCmd;
static Tcl_ObjCmdProc FileAttrLinkStatCmd;
static Tcl_ObjCmdProc FileAttrModifyTimeCmd;
static Tcl_ObjCmdProc FileAttrSizeCmd;
static Tcl_ObjCmdProc FileAttrStatCmd;
static Tcl_ObjCmdProc FileAttrTypeCmd;
static Tcl_ObjCmdProc FilesystemSeparatorCmd;

static Tcl_ObjCmdProc FilesystemVolumesCmd;
static Tcl_ObjCmdProc PathDirNameCmd;
static Tcl_ObjCmdProc PathExtensionCmd;
static Tcl_ObjCmdProc PathFilesystemCmd;
static Tcl_ObjCmdProc PathJoinCmd;
static Tcl_ObjCmdProc PathNativeNameCmd;
static Tcl_ObjCmdProc PathNormalizeCmd;
static Tcl_ObjCmdProc PathRootNameCmd;
static Tcl_ObjCmdProc PathSplitCmd;
static Tcl_ObjCmdProc PathTailCmd;
static Tcl_ObjCmdProc PathTypeCmd;

/*
 *----------------------------------------------------------------------
 *
 * Tcl_BreakObjCmd --
 *
 *	This procedure is invoked to process the "break" Tcl command. See the

 */

	/* ARGSUSED */
int
Tcl_BreakObjCmd(
    ClientData dummy,		/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    if (objc != 1) {
	Tcl_WrongNumArgs(interp, 1, objv, NULL);
	return TCL_ERROR;
    }
    return TCL_BREAK;

 */

	/* ARGSUSED */
int
Tcl_CatchObjCmd(
    ClientData dummy,		/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    return Tcl_NRCallObjProc(interp, TclNRCatchObjCmd, dummy, objc, objv);
}

int
TclNRCatchObjCmd(
    ClientData dummy,		/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    Tcl_Obj *varNamePtr = NULL;
    Tcl_Obj *optionVarNamePtr = NULL;
    Interp *iPtr = (Interp *) interp;

    if ((objc < 2) || (objc > 4)) {

 */

	/* ARGSUSED */
int
Tcl_CdObjCmd(
    ClientData dummy,		/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    Tcl_Obj *dir;
    int result;

    if (objc > 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "?dirName?");

 */

	/* ARGSUSED */
int
Tcl_ConcatObjCmd(
    ClientData dummy,		/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    if (objc >= 2) {
	Tcl_SetObjResult(interp, Tcl_ConcatObj(objc-1, objv+1));
    }
    return TCL_OK;
}

 */

	/* ARGSUSED */
int
Tcl_ContinueObjCmd(
    ClientData dummy,		/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    if (objc != 1) {
	Tcl_WrongNumArgs(interp, 1, objv, NULL);
	return TCL_ERROR;
    }
    return TCL_CONTINUE;

 *----------------------------------------------------------------------
 */

int
Tcl_EncodingObjCmd(
    ClientData dummy,		/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    int index;

    static const char *const optionStrings[] = {
	"convertfrom", "convertto", "dirs", "names", "system",
	NULL

    switch ((enum options) index) {
    case ENC_CONVERTTO:
    case ENC_CONVERTFROM: {
	Tcl_Obj *data;
	Tcl_DString ds;
	Tcl_Encoding encoding;
	int length;
	const char *stringPtr;

	if (objc == 3) {
	    encoding = Tcl_GetEncoding(interp, NULL);
	    data = objv[2];
	} else if (objc == 4) {
	    if (Tcl_GetEncodingFromObj(interp, objv[2], &encoding) != TCL_OK) {

    case ENC_SYSTEM:
	if (objc > 3) {
	    Tcl_WrongNumArgs(interp, 2, objv, "?encoding?");
	    return TCL_ERROR;
	}
	if (objc == 2) {
	    Tcl_SetObjResult(interp, Tcl_NewStringObj(
		    Tcl_GetEncodingName(NULL), -1));
	} else {
	    return Tcl_SetSystemEncoding(interp, TclGetString(objv[2]));
	}
	break;
    }
    return TCL_OK;
}

 *----------------------------------------------------------------------
 */

int
EncodingDirsObjCmd(
    ClientData dummy,		/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    Tcl_Obj *dirListObj;

    if (objc > 3) {
	Tcl_WrongNumArgs(interp, 2, objv, "?dirList?");
	return TCL_ERROR;

 */

	/* ARGSUSED */
int
Tcl_ErrorObjCmd(
    ClientData dummy,		/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    Tcl_Obj *options, *optName;

    if ((objc < 2) || (objc > 4)) {
	Tcl_WrongNumArgs(interp, 1, objv, "message ?errorInfo? ?errorCode?");
	return TCL_ERROR;

    return result;
}

int
Tcl_EvalObjCmd(
    ClientData dummy,		/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    return Tcl_NRCallObjProc(interp, TclNREvalObjCmd, dummy, objc, objv);
}

int
TclNREvalObjCmd(
    ClientData dummy,		/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    register Tcl_Obj *objPtr;
    Interp *iPtr = (Interp *) interp;
    CmdFrame *invoker = NULL;
    int word = 0;

 */

	/* ARGSUSED */
int
Tcl_ExitObjCmd(
    ClientData dummy,		/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    int value;

    if ((objc != 1) && (objc != 2)) {
	Tcl_WrongNumArgs(interp, 1, objv, "?returnCode?");
	return TCL_ERROR;

 */

	/* ARGSUSED */
int
Tcl_ExprObjCmd(
    ClientData dummy,		/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    return Tcl_NRCallObjProc(interp, TclNRExprObjCmd, dummy, objc, objv);
}

int
TclNRExprObjCmd(
    ClientData dummy,		/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    Tcl_Obj *resultPtr, *objPtr;

    if (objc < 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "arg ?arg ...?");
	return TCL_ERROR;

    Tcl_DStringInit(&newBuf);
    TclDStringAppendLiteral(&newBuf, "tcl:file:");
    for (i=0 ; unsafeInfo[i].cmdName != NULL ; i++) {
	if (unsafeInfo[i].unsafe) {
	    const char *oldName, *newName;

	    Tcl_DStringSetLength(&oldBuf, 13);
	    oldName = Tcl_DStringAppend(&oldBuf, unsafeInfo[i].cmdName, -1);

	    Tcl_DStringSetLength(&newBuf, 9);
	    newName = Tcl_DStringAppend(&newBuf, unsafeInfo[i].cmdName, -1);

	    if (TclRenameCommand(interp, oldName, "___tmp") != TCL_OK
		    || Tcl_HideCommand(interp, "___tmp", newName) != TCL_OK) {
		Tcl_Panic("problem making 'file %s' safe: %s",
			unsafeInfo[i].cmdName,
			Tcl_GetString(Tcl_GetObjResult(interp)));
	    }
	    Tcl_CreateObjCommand(interp, oldName, BadFileSubcommand,

 *----------------------------------------------------------------------
 */

static int
BadFileSubcommand(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    const char *subcommandName = (const char *) clientData;

    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
	    "not allowed to invoke subcommand %s of file", subcommandName));
    Tcl_SetErrorCode(interp, "TCL", "SAFE", "SUBCOMMAND", NULL);

 *----------------------------------------------------------------------
 */

static int
FileAttrAccessTimeCmd(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    Tcl_StatBuf buf;
    struct utimbuf tval;

    if (objc < 2 || objc > 3) {
	Tcl_WrongNumArgs(interp, 1, objv, "name ?time?");

 *----------------------------------------------------------------------
 */

static int
FileAttrModifyTimeCmd(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    Tcl_StatBuf buf;
    struct utimbuf tval;

    if (objc < 2 || objc > 3) {
	Tcl_WrongNumArgs(interp, 1, objv, "name ?time?");

 *----------------------------------------------------------------------
 */

static int
FileAttrLinkStatCmd(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    Tcl_StatBuf buf;

    if (objc != 3) {
	Tcl_WrongNumArgs(interp, 1, objv, "name varName");
	return TCL_ERROR;

 *----------------------------------------------------------------------
 */

static int
FileAttrStatCmd(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    Tcl_StatBuf buf;

    if (objc != 3) {
	Tcl_WrongNumArgs(interp, 1, objv, "name varName");
	return TCL_ERROR;

 *----------------------------------------------------------------------
 */

static int
FileAttrTypeCmd(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    Tcl_StatBuf buf;

    if (objc != 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "name");
	return TCL_ERROR;
    }
    if (GetStatBuf(interp, objv[1], Tcl_FSLstat, &buf) != TCL_OK) {
	return TCL_ERROR;
    }
    Tcl_SetObjResult(interp, Tcl_NewStringObj(
	    GetTypeFromMode((unsigned short) buf.st_mode), -1));
    return TCL_OK;
}

/*
 *----------------------------------------------------------------------
 *
 * FileAttrSizeCmd --

 *----------------------------------------------------------------------
 */

static int
FileAttrSizeCmd(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    Tcl_StatBuf buf;

    if (objc != 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "name");
	return TCL_ERROR;

 *----------------------------------------------------------------------
 */

static int
FileAttrIsDirectoryCmd(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    Tcl_StatBuf buf;
    int value = 0;

    if (objc != 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "name");

 *----------------------------------------------------------------------
 */

static int
FileAttrIsExecutableCmd(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    if (objc != 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "name");
	return TCL_ERROR;
    }
    return CheckAccess(interp, objv[1], X_OK);

 *----------------------------------------------------------------------
 */

static int
FileAttrIsExistingCmd(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    if (objc != 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "name");
	return TCL_ERROR;
    }
    return CheckAccess(interp, objv[1], F_OK);

 *----------------------------------------------------------------------
 */

static int
FileAttrIsFileCmd(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    Tcl_StatBuf buf;
    int value = 0;

    if (objc != 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "name");

 *----------------------------------------------------------------------
 */

static int
FileAttrIsOwnedCmd(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    Tcl_StatBuf buf;
    int value = 0;

    if (objc != 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "name");

 *----------------------------------------------------------------------
 */

static int
FileAttrIsReadableCmd(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    if (objc != 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "name");
	return TCL_ERROR;
    }
    return CheckAccess(interp, objv[1], R_OK);

 *----------------------------------------------------------------------
 */

static int
FileAttrIsWritableCmd(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    if (objc != 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "name");
	return TCL_ERROR;
    }
    return CheckAccess(interp, objv[1], W_OK);

 *----------------------------------------------------------------------
 */

static int
PathDirNameCmd(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    Tcl_Obj *dirPtr;

    if (objc != 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "name");
	return TCL_ERROR;

 *----------------------------------------------------------------------
 */

static int
PathExtensionCmd(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    Tcl_Obj *dirPtr;

    if (objc != 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "name");
	return TCL_ERROR;

 *----------------------------------------------------------------------
 */

static int
PathRootNameCmd(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    Tcl_Obj *dirPtr;

    if (objc != 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "name");
	return TCL_ERROR;

 *----------------------------------------------------------------------
 */

static int
PathTailCmd(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    Tcl_Obj *dirPtr;

    if (objc != 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "name");
	return TCL_ERROR;

 *----------------------------------------------------------------------
 */

static int
PathFilesystemCmd(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    Tcl_Obj *fsInfo;

    if (objc != 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "name");
	return TCL_ERROR;
    }
    fsInfo = Tcl_FSFileSystemInfo(objv[1]);
    if (fsInfo == NULL) {
	Tcl_SetObjResult(interp, Tcl_NewStringObj("unrecognised path", -1));

	Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "FILESYSTEM",
		Tcl_GetString(objv[1]), NULL);
	return TCL_ERROR;
    }
    Tcl_SetObjResult(interp, fsInfo);
    return TCL_OK;
}

 *----------------------------------------------------------------------
 */

static int
PathJoinCmd(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    if (objc < 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "name ?name ...?");
	return TCL_ERROR;
    }
    Tcl_SetObjResult(interp, TclJoinPath(objc - 1, objv + 1));

 *----------------------------------------------------------------------
 */

static int
PathNativeNameCmd(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    Tcl_DString ds;

    if (objc != 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "name");
	return TCL_ERROR;

 *----------------------------------------------------------------------
 */

static int
PathNormalizeCmd(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    Tcl_Obj *fileName;

    if (objc != 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "name");
	return TCL_ERROR;

 *----------------------------------------------------------------------
 */

static int
PathSplitCmd(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    Tcl_Obj *res;

    if (objc != 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "name");
	return TCL_ERROR;

 *----------------------------------------------------------------------
 */

static int
PathTypeCmd(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    Tcl_Obj *typeName;

    if (objc != 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "name");
	return TCL_ERROR;

 *----------------------------------------------------------------------
 */

static int
FilesystemSeparatorCmd(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    if (objc < 1 || objc > 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "?name?");
	return TCL_ERROR;
    }
    if (objc == 1) {

	}
	Tcl_SetObjResult(interp, Tcl_NewStringObj(separator, 1));
    } else {
	Tcl_Obj *separatorObj = Tcl_FSPathSeparator(objv[1]);

	if (separatorObj == NULL) {
	    Tcl_SetObjResult(interp, Tcl_NewStringObj(
		    "unrecognised path", -1));
	    Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "FILESYSTEM",
		    Tcl_GetString(objv[1]), NULL);
	    return TCL_ERROR;
	}
	Tcl_SetObjResult(interp, separatorObj);
    }
    return TCL_OK;

 *----------------------------------------------------------------------
 */

static int
FilesystemVolumesCmd(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    if (objc != 1) {
	Tcl_WrongNumArgs(interp, 1, objv, NULL);
	return TCL_ERROR;
    }
    Tcl_SetObjResult(interp, Tcl_FSListVolumes());

    STORE_ARY("blksize", Tcl_NewLongObj((long)statPtr->st_blksize));
#endif
    STORE_ARY("atime",	Tcl_NewLongObj((long)statPtr->st_atime));
    STORE_ARY("mtime",	Tcl_NewLongObj((long)statPtr->st_mtime));
    STORE_ARY("ctime",	Tcl_NewLongObj((long)statPtr->st_ctime));
    mode = (unsigned short) statPtr->st_mode;
    STORE_ARY("mode",	Tcl_NewIntObj(mode));
    STORE_ARY("type",	Tcl_NewStringObj(GetTypeFromMode(mode), -1));

#undef STORE_ARY

    return TCL_OK;
}

/*
 *----------------------------------------------------------------------

 */

	/* ARGSUSED */
int
Tcl_ForObjCmd(
    ClientData dummy,		/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    return Tcl_NRCallObjProc(interp, TclNRForObjCmd, dummy, objc, objv);
}

int
TclNRForObjCmd(
    ClientData dummy,		/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    Interp *iPtr = (Interp *) interp;
    ForIterData *iterPtr;

    if (objc != 5) {
	Tcl_WrongNumArgs(interp, 1, objv, "start test next command");

 */

	/* ARGSUSED */
int
Tcl_ForeachObjCmd(
    ClientData dummy,		/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    return Tcl_NRCallObjProc(interp, TclNRForeachCmd, dummy, objc, objv);
}

int
TclNRForeachCmd(
    ClientData dummy,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    return EachloopCmd(interp, TCL_EACH_KEEP_NONE, objc, objv);
}

int
Tcl_LmapObjCmd(
    ClientData dummy,		/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    return Tcl_NRCallObjProc(interp, TclNRLmapCmd, dummy, objc, objv);
}

int
TclNRLmapCmd(
    ClientData dummy,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    return EachloopCmd(interp, TCL_EACH_COLLECT, objc, objv);
}

static inline int
EachloopCmd(
    Tcl_Interp *interp,		/* Our context for variables and script
				 * evaluation. */
    int collect,		/* Select collecting or accumulating mode
				 * (TCL_EACH_*) */
    int objc,			/* The arguments being passed in... */
    Tcl_Obj *const objv[])
{
    int numLists = (objc-2) / 2;
    register struct ForeachState *statePtr;
    int i, j, result;

    if (objc < 4 || (objc%2 != 0)) {
	Tcl_WrongNumArgs(interp, 1, objv,
		"varList list ?varList list ...? command");
	return TCL_ERROR;
    }

     *
     * The setting up of all of these pointers is moderately messy, but allows
     * the rest of this code to be simple and for us to use a single memory
     * allocation for better performance.
     */

    statePtr = TclStackAlloc(interp,
	    sizeof(struct ForeachState) + 3 * numLists * sizeof(int)
	    + 2 * numLists * (sizeof(Tcl_Obj **) + sizeof(Tcl_Obj *)));
    memset(statePtr, 0,
	    sizeof(struct ForeachState) + 3 * numLists * sizeof(int)
	    + 2 * numLists * (sizeof(Tcl_Obj **) + sizeof(Tcl_Obj *)));
    statePtr->varvList = (Tcl_Obj ***) (statePtr + 1);
    statePtr->argvList = statePtr->varvList + numLists;
    statePtr->vCopyList = (Tcl_Obj **) (statePtr->argvList + numLists);
    statePtr->aCopyList = statePtr->vCopyList + numLists;
    statePtr->index = (int *) (statePtr->aCopyList + numLists);
    statePtr->varcList = statePtr->index + numLists;
    statePtr->argcList = statePtr->varcList + numLists;

    statePtr->numLists = numLists;
    statePtr->bodyPtr = objv[objc - 1];
    statePtr->bodyIdx = objc - 1;

    if (collect == TCL_EACH_COLLECT) {
	statePtr->resultList = Tcl_NewListObj(0, NULL);
    } else {
	statePtr->resultList = NULL;
    }

	result = ForeachAssignments(interp, statePtr);
	if (result == TCL_ERROR) {
	    goto done;
	}

	TclNRAddCallback(interp, ForeachLoopStep, statePtr, NULL, NULL, NULL);
	return TclNREvalObjEx(interp, objv[objc-1], 0,
		((Interp *) interp)->cmdFramePtr, objc-1);
    }

    /*
     * This cleanup stage is only used when an error occurs during setup or if
     * there is no work to do.
     */

 */

static inline int
ForeachAssignments(
    Tcl_Interp *interp,
    struct ForeachState *statePtr)
{
    int i, v, k;
    Tcl_Obj *valuePtr, *varValuePtr;

    for (i=0 ; i<statePtr->numLists ; i++) {
	for (v=0 ; v<statePtr->varcList[i] ; v++) {
	    k = statePtr->index[i]++;

	    if (k < statePtr->argcList[i]) {

 */

static inline void
ForeachCleanup(
    Tcl_Interp *interp,
    struct ForeachState *statePtr)
{
    int i;

    for (i=0 ; i<statePtr->numLists ; i++) {
	if (statePtr->vCopyList[i]) {
	    TclDecrRefCount(statePtr->vCopyList[i]);
	}
	if (statePtr->aCopyList[i]) {
	    TclDecrRefCount(statePtr->aCopyList[i]);

 */

	/* ARGSUSED */
int
Tcl_FormatObjCmd(
    ClientData dummy,		/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    Tcl_Obj *resultPtr;		/* Where result is stored finally. */

    if (objc < 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "formatString ?arg ...?");
	return TCL_ERROR;

typedef struct {
    int isIncreasing;		/* Nonzero means sort in increasing order. */
    int sortMode;		/* The sort mode. One of SORTMODE_* values
				 * defined below. */
    Tcl_Obj *compareCmdPtr;	/* The Tcl comparison command when sortMode is
				 * SORTMODE_COMMAND. Pre-initialized to hold
				 * base of command. */
    int *indexv;		/* If the -index option was specified, this
				 * holds the indexes contained in the list
				 * supplied as an argument to that option.
				 * NULL if no indexes supplied, and points to
				 * singleIndex field when only one
				 * supplied. */
    int indexc;			/* Number of indexes in indexv array. */
    int singleIndex;		/* Static space for common index case. */
    int unique;
    int numElements;
    Tcl_Interp *interp;		/* The interpreter in which the sort is being
				 * done. */
    int resultCode;		/* Completion code for the lsort command. If
				 * an error occurs during the sort this is
				 * changed from TCL_OK to TCL_ERROR. */
} SortInfo;

/*
 * Forward declarations for procedures defined in this file:
 */

static int		DictionaryCompare(const char *left, const char *right);
static int		IfConditionCallback(ClientData data[],
			    Tcl_Interp *interp, int result);
static int		InfoArgsCmd(ClientData dummy, Tcl_Interp *interp,
			    int objc, Tcl_Obj *const objv[]);
static int		InfoBodyCmd(ClientData dummy, Tcl_Interp *interp,
			    int objc, Tcl_Obj *const objv[]);
static int		InfoCmdCountCmd(ClientData dummy, Tcl_Interp *interp,
			    int objc, Tcl_Obj *const objv[]);
static int		InfoCommandsCmd(ClientData dummy, Tcl_Interp *interp,
			    int objc, Tcl_Obj *const objv[]);
static int		InfoCompleteCmd(ClientData dummy, Tcl_Interp *interp,
			    int objc, Tcl_Obj *const objv[]);
static int		InfoDefaultCmd(ClientData dummy, Tcl_Interp *interp,
			    int objc, Tcl_Obj *const objv[]);
/* TIP #348 - New 'info' subcommand 'errorstack' */
static int		InfoErrorStackCmd(ClientData dummy, Tcl_Interp *interp,
			    int objc, Tcl_Obj *const objv[]);
/* TIP #280 - New 'info' subcommand 'frame' */
static int		InfoFrameCmd(ClientData dummy, Tcl_Interp *interp,
			    int objc, Tcl_Obj *const objv[]);
static int		InfoFunctionsCmd(ClientData dummy, Tcl_Interp *interp,
			    int objc, Tcl_Obj *const objv[]);
static int		InfoHostnameCmd(ClientData dummy, Tcl_Interp *interp,
			    int objc, Tcl_Obj *const objv[]);
static int		InfoLevelCmd(ClientData dummy, Tcl_Interp *interp,
			    int objc, Tcl_Obj *const objv[]);
static int		InfoLibraryCmd(ClientData dummy, Tcl_Interp *interp,
			    int objc, Tcl_Obj *const objv[]);
static int		InfoLoadedCmd(ClientData dummy, Tcl_Interp *interp,
			    int objc, Tcl_Obj *const objv[]);
static int		InfoNameOfExecutableCmd(ClientData dummy,
			    Tcl_Interp *interp, int objc,
			    Tcl_Obj *const objv[]);
static int		InfoPatchLevelCmd(ClientData dummy, Tcl_Interp *interp,
			    int objc, Tcl_Obj *const objv[]);
static int		InfoProcsCmd(ClientData dummy, Tcl_Interp *interp,
			    int objc, Tcl_Obj *const objv[]);
static int		InfoScriptCmd(ClientData dummy, Tcl_Interp *interp,
			    int objc, Tcl_Obj *const objv[]);
static int		InfoSharedlibCmd(ClientData dummy, Tcl_Interp *interp,
			    int objc, Tcl_Obj *const objv[]);
static int		InfoTclVersionCmd(ClientData dummy, Tcl_Interp *interp,
			    int objc, Tcl_Obj *const objv[]);
static SortElement *	MergeLists(SortElement *leftPtr, SortElement *rightPtr,
			    SortInfo *infoPtr);
static int		SortCompare(SortElement *firstPtr, SortElement *second,
			    SortInfo *infoPtr);
static Tcl_Obj *	SelectObjFromSublist(Tcl_Obj *firstPtr,
			    SortInfo *infoPtr);