taglinefilesource code
c_iflag59include/linux/termios.hunsigned short c_iflag;    /* input mode flags */
c_iflag69include/linux/termios.htcflag_t c_iflag;    /* input mode flags */
c_iflag116include/linux/tty.h#define _I_FLAG(tty,f)  ((tty)->termios.c_iflag & f)
c_iflag150kernel/chr_drv/tty_ioctl.ctmp_termio.c_iflag = tty->termios.c_iflag;
c_iflag182kernel/chr_drv/tty_ioctl.c*(unsigned short *)&tty->termios.c_iflag = tmp_termio.c_iflag;