What does "xutility.h" header do?
<blockquote>
  <p><strong>Possible Duplicate:</strong><br>
  <a href="http://stackoverflow.com/questions/4707310/xutility-file">xutility file?</a>  </p>
</blockquote>



<p>I know "xutility.h" header is not part of the C++ standard library. Qt shows that it cannot find this header but I don't know what it is. Does anyone know what it is or where it's from?</p>
