HELPLIB.HLB  —  RTL Routines, SMG$  SMG$CANCEL_INPUT
    The Cancel Input Request routine immediately cancels any read-
    in-progress that was issued by SMG$READ_COMPOSED_LINE, SMG$READ_
    KEYSTROKE, SMG$READ_STRING, or SMG$READ_VERIFY.

    Format

      SMG$CANCEL_INPUT  keyboard-id
Additional Information: explode extract
Returns Argument
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