Arguments

 

destination-string

   OpenVMS usage:char_string
   type:         character string
   access:       write only
   mechanism:    by descriptor

   Destination string (dynamic or varying length). STR$PREFIX copies
   the source string into the beginning of this destination string.
   The destination-string argument is the address of a descriptor
   pointing to the destination string.
 

source-string

   OpenVMS usage:char_string
   type:         character string
   access:       read only
   mechanism:    by descriptor

   Source string that STR$PREFIX copies into the beginning of the
   destination string. The source-string argument is the address of
   a descriptor pointing to the source string.