in_photon 897 lib/tty/key.c static int in_photon = 0; in_photon 921 lib/tty/key.c if (in_photon == 0) in_photon 924 lib/tty/key.c in_photon = -1; in_photon 942 lib/tty/key.c in_photon = 1; in_photon 948 lib/tty/key.c if (in_photon == -1)