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- void HLin1( int x, int y, int xx, int yy );
- void VLin1( int x, int y, int xx, int yy );
-
- unsigned char far *ScrPtr( int x, int y );
-
- void DrawBox1( int x, int y, int xx, int yy )
- {
- register unsigned char far *scptr;
-
- if ( xx - x > 1 ) {
- HLin1( x, y, xx, y );
- HLin1( x, yy, xx, yy );
- }
- if ( yy - y > 1 ) {
- VLin1( x, y, x, yy );
- VLin1( xx, y, xx, yy );
- }
- scptr = ScrPtr( x, y );
- *scptr = 218;
- scptr = ScrPtr( xx, y );
- *scptr = 191;
- scptr = ScrPtr( xx, yy );
- *scptr = 217;
- scptr = ScrPtr( x, yy );
- *scptr = 192;
- }
-