="qh-user_r.htm#TOC">&#187;</a><a name="qulllib">Qhull library constants</a></h3>
<ul>
<li><a href="user_r.h#filenamelen">FILENAMElen</a> -- max length of TI or TO filename </li>
<li><a href="user_r.h#msgcode">msgcode</a> -- unique message codes for qh_fprintf </li>
<li><a href="user_r.h#qh_OPTIONline">qh_OPTIONline</a> -- max length of option line ('FO')</li>
</ul>


<h3><a href="qh-user_r.htm#TOC">&#187;</a><a name="utype">user_r.h data
types and configuration macros</a></h3>
<ul>
<li><a href="user_r.h#re