IS_ALL_HOSTS
ifp->int_state &= ~(IS_ALL_HOSTS | IS_ALL_ROUTERS);
if (ifp->int_state & IS_ALL_HOSTS) {
ifp->int_state &= ~IS_ALL_HOSTS;
} else if (!(ifp->int_state & IS_ALL_HOSTS)) {
ifp->int_state |= IS_ALL_HOSTS;
{ IS_ALL_HOSTS, 0, "" },