$ADJSTK

   Modifies the stack pointer for a less privileged access mode.
   The operating system uses this service to modify a stack pointer
   for a less privileged access mode after placing arguments on the
   stack.

   Format

     SYS$ADJSTK  [acmode] ,[adjust] ,newadr

   C Prototype

     int sys$adjstk  (unsigned int acmode, short int adjust, void

                     *(*(newadr)));
 

Additional information available:

Arguments