$DCLCMH

   On Alpha and I64 systems, specifies the address of a routine
   to receive control when a Change Mode to User or Change Mode to
   Supervisor instruction trap occurs.

   On VAX systems, specifies the address of a routine to receive
   control when a Change Mode to User or Change Mode to Supervisor
   instruction trap occurs, or when a compatibility mode fault
   occurs.

   Format

     SYS$DCLCMH  addres ,[prvhnd] ,[type]

   C Prototype

     int sys$dclcmh  (int (*addres)(__unknown_params), void

                     *(*(prvhnd)), char type);
 

Additional information available:

Arguments