ng"><a href="libxml-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a>	xmlExpStringDerive	(<a href="libxml-xmlregexp.html#xmlExpCtxtPtr">xmlExpCtxtPtr</a> ctxt, <br />					 <a href="libxml-xmlregexp.html#xmlExpNodePtr">xmlExpNodePtr</a> exp, <br />					 const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * str, <br />					 int len)<br />
</pre><p>Do one step of Brzozowski derivation of the expression @exp with respect to the input string</p>
<div class="variablelist"><table border="0"><col align="left" /