VMS Help  —  RTL Routines, SMG$  SMG$GET_VIEWPORT_CHAR
    The Get Characteristics of Display Viewport routine returns the
    characteristics of the specified viewport.

    Format

      SMG$GET_VIEWPORT_CHAR  display-id [,viewport-row-start]

                             [,viewport-column-start]

                             [,viewport-number-rows]

                             [,viewport-number-columns]
Additional Information: explode extract
Returns Arguments
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