number of elements in the hash table or -1 in case of error</td></tr></tbody></table></div></div>
        <hr/>
        <div class="refsect2" lang="en"><h3><a name="xmlHashUpdateEntry"/>xmlHashUpdateEntry ()</h3><pre class="programlisting">int	xmlHashUpdateEntry		(<a href="libxml2-hash.html#xmlHashTablePtr">xmlHashTablePtr</a> table, <br/>					 const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name, <br/>					 void * userdata, <br/>					 <a href="libxml2-hash.html#xmlHashDeallocator">xmlHashDeall