tag	line	file	source code
OPOST	1775	drivers/char/tty_io.c	tp->c_oflag = OPOST | ONLCR;
OPOST	1781	drivers/char/tty_io.c	tp->c_oflag = OPOST | ONLCR | XTABS;
OPOST	186	include/linux/tty.h	#define O_OPOST(tty)  _O_FLAG((tty),OPOST)