Check-in [70b1f60628]

{"tip": {
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<th>Type</th>
<th>Tcl Version</th>
<th>Status</th>
<th>Title</th>
<th>Impl.</th>
</tr></thead><tbody>

<tr class='project projectdraft projectdraft87 project87'>
<td valign='top'><a href='./tip/528.md'>528</a></td>
<td valign='top'>Project</td>
<td valign='top'>8.7</td>
<td valign='top'>Draft</td>
<td valign='top'># TIP 528: Deprecate Tk_Offset()</td>
<td valign='top'><a href='/tk/timeline?r=offsetof'>Link</a></td>
</tr>
<tr class='project projectdraft projectdraft85 project85'>
<td valign='top'><a href='./tip/527.md'>527</a></td>
<td valign='top'>Project</td>

# TIP 528: Deprecate Tk_Offset()
	Author:         Jan Nijtmans <[email protected]>
	State:          Draft
	Type:           Project
	Vote:           Pending
	Created:        05-Dec-2018
	Post-History:   
	Tcl-Version:    8.7
	Tk-Branch:     offsetof
-----

# Abstract

This TIP proposes to deprecate `Tk_Offset()` in favour of [`offsetof()`](https://en.wikipedia.org/wiki/Offsetof).