The LGI$ICB_DISUSER callback routine checks the disabled user
    account flag.

    Format

      LGI$ICB_DISUSER  action

1 - Returns

    OpenVMS usage:cond_value
    type:         longword (unsigned)
    access:       write only
    mechanism:    by value

    Condition value in R0.

2 - Argument

 action

    OpenVMS usage:value
    type:         longword (unsigned)
    access:       read only
    mechanism:    by value
    This argument can take two values:

    If Value of
    Action Is...       Then...

    LGI$_DISUSER_STOP  Do not return on error.
    LGI$_DISUSER_      Return LGI$_DISUSER or SS$_NORMAL.
    RETURN

3 - Description

    The site can use this callback routine to establish the standard
    OpenVMS action if the DISUSER flag is set.

4 - Condition Values Returned

    LGI$_DISUSER
    SS$_NORMAL