Argument

 

desblk

   OpenVMS usage:exit_handler_block
   type:         longword (unsigned)
   access:       read only
   mechanism:    by reference
   Control block describing the exit handler to be canceled. If you
   do not specify the desblk argument or specify it as 0, all exit
   control blocks are canceled for the current access mode. The
   desblk argument is the address of this control block.