lement of set as a type</li>
<li><a href="qset_r.h#SETempty_">SETempty_</a> return
true (1) if set is empty </li>
<li><a href="qset_r.h#SETfirst_">SETfirst_</a> return
first element of set </li>
<li><a href="qset_r.h#SETfirstt_">SETfirstt_</a> return
first element of set as a type</li>
<li><a href="qset_r.h#SETindex_">SETindex_</a> return
index of elem in set </li>
<li><a href="qset_r.h#SETreturnsize_">SETreturnsize_</a>
return size of a set (normally use <a href="qset_r.c#setsize">qh_setsize</a>) </li>
<li