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The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

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─────Run-Time Library───────────────────────────────────────────────────────
 
  Include:   <graph.h>
 
  Syntax:    void _setviewport( short x1, short y1,
                                short x2, short y2 );
 
  See also:  _setwindow, _setcliprgn, _setvieworg, _getphyscoord,
             _getviewcoord, _getwindowcoord
                                    -♦-