D_FIRST           168 usr/sample/tetris/screen.c 	bp = &board[D_FIRST * B_COLS];
D_FIRST           169 usr/sample/tetris/screen.c 	sp = &curscreen[D_FIRST * B_COLS];
D_FIRST           170 usr/sample/tetris/screen.c 	for (j = D_FIRST; j < D_LAST; j++) {