ew</li>
<li><a href="io.c#printcentrum">qh_printcentrum</a> print
centrum for a facet in OOGL format </li>
<li><a href="io.c#printend4geom">qh_printend4geom</a> helper
function for qh_printbegin/printend </li>
<li><a href="io.c#printhyperplaneintersection">qh_printhyperplaneintersection</a>
print Geomview OFF or 4OFF for the intersection of two
hyperplanes in 3-d or 4-d </li>
<li><a href="io.c#printline3geom">qh_printline3geom</a> prints a
line as a VECT </li>
<li><a href="io.c#printpointvect">qh_printpoint