<br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
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<tr valign=top><td><b>to</b></td><td>
<p>A pointer to the target point of the &lsquo;line to&rsquo;.</p>
</td></tr>
<tr valign=top><td><b>user</b></td><td>
<p>A typeless pointer which is passed from the caller of the decomposition function.</p>
</td></tr>
</table>
</td></tr></table>
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