EXTPROC          1798 drivers/tty/n_tty.c 	if (!old || (old->c_lflag ^ tty->termios.c_lflag) & (ICANON | EXTPROC)) {
EXTPROC           267 drivers/tty/pty.c 		int extproc = (old_termios->c_lflag & EXTPROC) | L_EXTPROC(tty);
EXTPROC           187 include/linux/tty.h #define L_EXTPROC(tty)	_L_FLAG((tty), EXTPROC)