B_SIZE             54 usr/sample/tetris/screen.c static cell curscreen[B_SIZE];	/* 1 => standout (or otherwise marked) */
B_SIZE             63 usr/sample/tetris/tetris.c cell	board[B_SIZE];		/* 1 => occupied, 0 => empty */
B_SIZE             84 usr/sample/tetris/tetris.c 	for (i = B_SIZE; i; i--)
B_SIZE             82 usr/sample/tetris/tetris.h extern cell	board[B_SIZE];	/* 1 => occupied, 0 => empty */