('p', 'o', 'Fp', 'G', 'f')</li>
<li><a href="io.c#printpoint3">qh_printpoint3</a> prints 2-d,
3-d, or 4-d point as 3-d coordinates ('G')</li>
<li><a href="io.c#printvdiagram2">qh_printvdiagram2</a> print
voronoi diagram for each ridge of each vertex from qh_markvoronoi</li>
<li><a href="io.c#printvnorm">qh_printvnorm</a> print
separating plane of the Voronoi diagram for a pair of input sites</li>
<li><a href="io.c#printvridge">qh_printvridge</a> print
ridge of the Voronoi diagram for a pair of input sites</