tun_create        124 net/if_tun.c   int	tun_create(struct if_clone *, int, int);
tun_create        158 net/if_tun.c   	return (tun_create(ifc, unit, 0));
tun_create        280 net/if_tun.c   	r = tun_create(&tun_cloner, unit, flags);