VMS Help CLI Routines, CLI$DCL_PARSE, Condition Values Returned  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    CLI$_INVREQTYP     Calling process did not have a CLI to perform
                       this function, or the CLI did not support the
                       request.
    CLI$_IVVERB        Invalid or missing verb.
    CLI$_NOCOMD        Routine terminated. You entered a null string
                       in response to a prompt from the prompt_
                       routine argument, causing the CLI$DCL_PARSE
                       routine to terminate.
    CLI$_NORMAL        Normal successful completion.
    RMS$_EOF           Routine terminated. You pressed Ctrl/Z in
                       response to a prompt, causing the CLI$DCL_
                       PARSE routine to terminate.