throw "QH10003.." by libqhullcpp/usermem_r-cpp.cpp</li>
<li><a href="usermem_r.c#qh_fprintf_stderr">qh_fprintf_stderr</a> print to stderr when qh->ferr is not defined.</li>
<li><a href="usermem_r.c#qh_free">qh_free</a> free memory, same as free().</li>
<li><a href="usermem_r.c#qh_malloc">qh_malloc</a> allocate memory, same as malloc()</li>
</ul>

<h3><a href="qh-user_r.htm#TOC">&#187;</a><a name="u3func">userprintf_r.c
 and userprintf_rbox,c functions</a></h3>
<ul>
<li><a href="userprintf_r.c#qh_fprintf">qh