TT>--</TT> DLA descriptors contain only segment location and size information; DAF
descriptors contain both location information and information describing
segment contents.
<BR><BR></UL>
   In all languages supported by SPICE, applications can locate DLA
   segments by means of forward linear searches. DLA functions are provided
   to start a forward search, and to find the next segment relative to a
   given segment.
<P>
 
   Support for backward searches is provided in the Fortran and C versions
   of SP