y functions</a></li>
</ul>

<h3><a href="qh-io.htm#TOC">&#187;</a><a name="iconst">io.h constants and types</a></h3>

<ul>
<li><a href="io.h#qh_MAXfirst">qh_MAXfirst</a> maximum length
of first two lines of stdin </li>
<li><a href="io.h#qh_WHITESPACE">qh_WHITESPACE</a> possible
values of white space </li>
<li><a href="io.h#printvridgeT">printvridgeT</a> function to
print results of qh_printvdiagram or qh_eachvoronoi</li>
</ul>

<h3><a href="qh-io.htm#TOC">&#187;</a><a name="ilevel">User level functions</a><