" nowrap><i>instance-name</i></td><td valign="baseline">&nbsp;&nbsp;&nbsp;&nbsp;</td><td valign="baseline"> An object
</td></tr></table>
</p>
<p><span class="fndoclabel">Returns</span> <br />The <a href="ref-glossary.html#id100">instance&nbsp;name</a> of the <var>unit-instance</var>.
</p>
<p><span class="fndoclabel">Errors</span> <br />The supplied <var>instance-name</var> provided to <nobr><b>(setf
instance-name-of)</b></nobr> is identical to the instance name of an existing
<a href="ref-glossary.html#id25