TUN_IFF_FLAGS     618 net/if_tun.c   		    (tunp->flags & TUN_IFF_FLAGS) |
TUN_IFF_FLAGS     619 net/if_tun.c   		    (tp->tun_if.if_flags & ~TUN_IFF_FLAGS);
TUN_IFF_FLAGS     641 net/if_tun.c   			tp->tun_if.if_flags &= ~TUN_IFF_FLAGS;
TUN_IFF_FLAGS     642 net/if_tun.c   			tp->tun_if.if_flags |= *(int *)data & TUN_IFF_FLAGS;