tag	line	file	source code
TTY_BREAK	612	drivers/char/cyclades.c	TTY_BREAK;
TTY_BREAK	697	drivers/char/keyboard.c	tty_insert_flip_char(tty, 0, TTY_BREAK);
TTY_BREAK	550	drivers/char/n_tty.c	case TTY_BREAK:
TTY_BREAK	387	drivers/char/serial.c	*tty->flip.flag_buf_ptr++ = TTY_BREAK;