NCR_SYNCHNEGO
sc->sc_flags & NCR_SYNCHNEGO &&
sc->sc_flags &= ~NCR_SYNCHNEGO;
if ((sc->sc_flags&NCR_SYNCHNEGO) == 0) {
if ((sc->sc_flags&NCR_SYNCHNEGO) == 0) {
sc->sc_flags &= ~NCR_SYNCHNEGO;
if ((sc->sc_flags & NCR_SYNCHNEGO) == 0) {
if ((sc->sc_flags & NCR_SYNCHNEGO) != 0) {
sc->sc_flags &= ~NCR_SYNCHNEGO;
sc->sc_flags |= NCR_SYNCHNEGO;