tring.h</li><li> line 180: Function <a href="../html/libxml-xmlstring.html#xmlStrchr">xmlStrchr</a> from xmlstring.h</li><li> line 186: Function <a href="../html/libxml-xpathInternals.html#xmlXPathRegisterNs">xmlXPathRegisterNs</a> from xpathInternals.h</li><li> line 206: Type <a href="../html/libxml-tree.html#xmlNodePtr">xmlNodePtr</a> from tree.h</li><li> line 218: Type <a href="../html/libxml-tree.html#xmlNsPtr">xmlNsPtr</a> from tree.h</li></ul><p>Usage:</p><p>xpath1 &lt;xml-file&gt; &lt;xpath-expr&gt; 