><i><tt>ctxt</tt></i>:</span></td><td>the expression context</td></tr><tr><td><span class="term"><i><tt>exp</tt></i>:</span></td><td>the expression</td></tr></tbody></table></div></div>
        <hr/>
        <div class="refsect2" lang="en"><h3><a name="xmlExpFreeCtxt"/>xmlExpFreeCtxt ()</h3><pre class="programlisting">void	xmlExpFreeCtxt			(<a href="libxml2-xmlregexp.html#xmlExpCtxtPtr">xmlExpCtxtPtr</a> ctxt)<br/>
</pre><p>Free an expression context</p>
<div class="variablelist"><table border="0"><col 