Library /sys$common/syshlp/helplib.hlb  —  PSM Routines, PSM$REPLACE  Arguments
 code

    OpenVMS usage:longword_unsigned
    type:         longword (unsigned)
    access:       read only
    mechanism:    by reference
    Routine code that identifies the symbiont routine to be replaced
    by a user service routine. The code argument is the address of a
    longword containing the routine code.

    Some routine codes identify routines that are supplied with the
    symbiont; when you specify such a routine code, you replace the
    symbiont-supplied routine with your service routine.

    Two routine codes identify routines that are not supplied with
    the symbiont; when you specify such a routine code, your service
    routine is added to the set of symbiont routines.

    Each programming language provides an appropriate mechanism for
    defining these routine codes. The following pages list each
    routine code in alphabetical order; the description of each
    code includes the following information about its corresponding
    routine:

    o  Whether the routine is supplied by the symbiont

    o  Whether the routine is an input, formatting, or output routine

    o  Under what conditions the routine is called

    o  What task the routine performs
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