tag	line	file	source code
tty_hangup	44	drivers/char/pty.c	tty_hangup(tty->link);
tty_hangup	582	drivers/char/serial.c	tty_hangup(info->tty);
tty_hangup	372	include/linux/tty.h	extern void tty_hangup(struct tty_struct * tty);