 contains multiple segments for that ID code. 
 
                  See the Examples section below for a complete 
                  example program showing how to retrieve body and 
                  surface ID codes from a DSK file. 
 </PRE>
<h4><a name="Parameters">Parameters</a></h4>
<PRE>
 
   None. 
 </PRE>
<h4><a name="Exceptions">Exceptions</a></h4>
<PRE>
 
   1)  If the input file has transfer format, the error  
       SPICE(INVALIDFORMAT) is signaled. 
 
   2)  If the input file is not a transfer 