d_Output</a></h4>
<PRE>
 
   srfids         is a CSPICE set data structure that contains 
                  the union of its contents upon input with the set 
                  of ID codes of the surfaces associated with the 
                  body designated by `bodyid', for which segments were 
                  found in the indicated DSK file. 
 
                  The elements of CSPICE sets are unique; each ID 
                  code in `srfids' appears only once, even if the DSK 
                  file