in_photon 899 lib/tty/key.c static int in_photon = 0; in_photon 923 lib/tty/key.c if (in_photon == 0) in_photon 926 lib/tty/key.c in_photon = -1; in_photon 944 lib/tty/key.c in_photon = 1; in_photon 950 lib/tty/key.c if (in_photon == -1)