C Language and Libraries Help (clang.hlp) (Table of Contents; Topic list)
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_clearscreen
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─────Run-Time Library───────────────────────────────────────────────────────
 
  Include:   <graph.h>
 
  Syntax:    void _clearscreen( short area );
             area: _GCLEARSCREEN, _GVIEWPORT, _GWINDOW
 
  See also:  _setbkcolor, _settextwindow, _setviewport
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