$FORGET_RMW

   Deletes a Resource Manager instance (RMI) from the calling
   process.

   $FORGET_RMW always waits for the request to complete before
   returning to the caller. Other than this, it is identical to
   $FORGET_RM.

   Format

     SYS$FORGET_RMW  [efn] ,[flags] ,iosb ,[astadr] ,[astprm] ,rm_id

   C Prototype

     int sys$forget_rmw  (unsigned int efn, unsigned int

                         flags, struct _iosb *iosb, void

                         (*astadr)(__unknown_params), int astprm,

                         unsigned int rm_id);