ECHOCTL           968 drivers/staging/fwserial/fwserial.c 					  ECHONL | ECHOPRT | ECHOCTL);
ECHOCTL           126 drivers/tty/tty_io.c 		   ECHOCTL | ECHOKE | IEXTEN,
ECHOCTL           541 drivers/tty/tty_ioctl.c 				    ECHOCTL | ECHOKE | IEXTEN;
ECHOCTL           181 include/linux/tty.h #define L_ECHOCTL(tty)	_L_FLAG((tty), ECHOCTL)