Declares an exit handling routine that receives control when an
    image exits.

    Format

      SYS$DCLEXH  desblk

    C Prototype

      int sys$dclexh  (void *desblk);

1  –  Argument

 desblk

    OpenVMS usage:exit_handler_block
    type:         longword (unsigned)
    access:       write
    mechanism:    by reference
    Exit handler control block. The desblk argument is the address of
    this control block.

    To view the control block diagram, see the VSI OpenVMS System
    Services Reference Manual.