r, <br />					 <a href="libxml-relaxng.html#xmlRelaxNGValidityWarningFunc">xmlRelaxNGValidityWarningFunc</a> * warn, <br />					 void ** ctx)<br />
</pre><p>Get the error and warning callback informations</p>
<div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i>:</span></td><td>a Relax-NG validation context</td></tr><tr><td><span class="term"><i><tt>err</tt></i>:</span></td><td>the error function result</td></tr><tr><td><span class="term"><i><