OFPOLL
if (!(sc->of_flags & OFPOLL)) {
sc->of_flags |= OFPOLL;
sc->of_flags &= ~OFPOLL;
if (sc->of_flags & OFPOLL)
sc->of_flags &= ~OFPOLL;
if (!(sc->of_flags & OFPOLL)) {
sc->of_flags |= OFPOLL;
if ((sc->of_flags & OFPOLL) == 0) {
sc->of_flags |= OFPOLL;
sc->of_flags &= ~OFPOLL;
if (sc->of_flags & OFPOLL)
sc->of_flags &= ~OFPOLL;
if ((sc->of_flags & OFPOLL) == 0) {
sc->of_flags |= OFPOLL;
if (!(sc->of_flags & OFPOLL)) {
sc->of_flags |= OFPOLL;
sc->of_flags &= ~OFPOLL;
if (sc->of_flags & OFPOLL)
sc->of_flags &= ~OFPOLL;
if (!(sc->of_flags & OFPOLL)) {
sc->of_flags |= OFPOLL;