I_IGNCR 1306 drivers/tty/n_tty.c if (I_IGNCR(tty)) I_IGNCR 1817 drivers/tty/n_tty.c if (I_ISTRIP(tty) || I_IUCLC(tty) || I_IGNCR(tty) || I_IGNCR 1823 drivers/tty/n_tty.c if (I_IGNCR(tty) || I_ICRNL(tty))