tag	line	file	source code
ICRNL	1658	drivers/char/tty_io.c	tp->c_iflag = ICRNL | IXON;
ICRNL	1669	drivers/char/tty_io.c	tp->c_iflag = ICRNL | IXON;
ICRNL	180	include/linux/tty.h	#define I_CRNL(tty)  _I_FLAG((tty),ICRNL)