        6419540

</pre><h4><a name="Particulars">Particulars</a></h4><pre>

   This routine supports computations involving bookkeeping information
   stored in DSK type 2 segments. User applications typically will not
   need to call this routine.

   DSK files are built using the DLA low-level format and the DAS
   architecture; DLA files are a specialized type of DAS file in which
   data are organized as a doubly linked list of segments.  Each
   segment's data belong to contiguous components of charact