tag	line	file	source code
ECHOKE	1797	drivers/char/tty_io.c	ECHOCTL | ECHOKE | IEXTEN;
ECHOKE	1803	drivers/char/tty_io.c	ECHOCTL | ECHOKE | IEXTEN;
ECHOKE	223	include/linux/tty.h	#define L_ECHOKE(tty)  _L_FLAG((tty),ECHOKE)