cell               54 usr/sample/tetris/screen.c static cell curscreen[B_SIZE];	/* 1 => standout (or otherwise marked) */
cell              146 usr/sample/tetris/screen.c typedef cell regcell;
cell              155 usr/sample/tetris/screen.c 	cell *bp, *sp;
cell               63 usr/sample/tetris/tetris.c cell	board[B_SIZE];		/* 1 => occupied, 0 => empty */
cell               81 usr/sample/tetris/tetris.c 	cell *p;
cell               95 usr/sample/tetris/tetris.c 	cell *p;
cell               82 usr/sample/tetris/tetris.h extern cell	board[B_SIZE];	/* 1 => occupied, 0 => empty */