tag	line	file	source code
c_iflag	59	fs/tty_ioctl.c	tmp_termio.c_iflag = tty->termios.c_iflag;
c_iflag	81	fs/tty_ioctl.c	*(unsigned short *)&tty->termios.c_iflag = tmp_termio.c_iflag;
c_iflag	44	include/termios.h	unsigned short c_iflag;    /* input mode flags */
c_iflag	54	include/termios.h	unsigned long c_iflag;    /* input mode flags */
c_iflag	28	kernel/chr_drv/tty_io.c	#define _I_FLAG(tty,f)  ((tty)->termios.c_iflag & f)