VMS Help  —  LGI Routines, LGI$ICR_IACT_START, Description
    This routine makes the first contact for all interactive logins
    from other than DECwindows terminals after opening the input and
    output files but before any other dialogue with the user.

    At this point, the site should be preparing to augment or replace
    the OpenVMS system password routine. The callback routine
    LGI$ICB_GET_SYSPWD provides access to the system password
    routine. However, because LGI$ICB_GET_SYSPWD returns only on
    success, the site design should consider what action to take in
    case LGI$ICB_GET_SYSPWD does not return control to LGI$ICR_IACT_
    START.

    The LGI$ICR_IACT_START routine can use the LGI$ICB_GET_INPUT
    callback routine to:

    o  Get input from the user

    o  Use an OpenVMS RMS record access block (RAB) to establish
       appropriate terminal mode settings
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