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- void HLin( int x, int y, int xx, int yy );
- void VLin( int x, int y, int xx, int yy );
-
- unsigned char far *ScrPtr( int x, int y );
-
- void DrawBox( int x, int y, int xx, int yy )
- {
- register unsigned char far *scptr;
-
- if ( xx - x > 1 ) {
- HLin( x, y, xx, y );
- HLin( x, yy, xx, yy );
- }
- if ( yy - y > 1 ) {
- VLin( x, y, x, yy );
- VLin( xx, y, xx, yy );
- }
- scptr = ScrPtr( x, y );
- *scptr = 201;
- scptr = ScrPtr( xx, y );
- *scptr = 187;
- scptr = ScrPtr( xx, yy );
- *scptr = 188;
- scptr = ScrPtr( x, yy );
- *scptr = 200;
- }
-