udir_input
if (sc->sc_direction == udir_input &&
sc->sc_direction = udir_input;
sc->sc_direction == udir_input)) {
if (sc->sc_direction != udir_input)
return sc->sc_direction != udir_input;
sc->sc_direction == udir_input))
if (sc->sc_direction == udir_input ||
if (sc->sc_direction != udir_input) {
return sc->sc_direction != udir_input;
sc->sc_direction == udir_input))
if (sc->sc_direction == udir_input ||
if (sc->sc_direction == udir_input &&
sc->sc_direction = udir_input;
sc->sc_direction == udir_input)) {