scope6_id
ext->scope6_id = scope6_ifattach(ifp);
scope6_ifdetach(ext->scope6_id);
struct scope6_id *scope6_id;
const struct scope6_id *sid = SID(ifp);
static struct scope6_id sid_default;
((struct in6_ifextra *)(ifp)->if_afdata[AF_INET6])->scope6_id)
struct scope6_id *
struct scope6_id *sid;
scope6_ifdetach(struct scope6_id *sid)
struct scope6_id *scope6_ifattach(struct ifnet *);
void scope6_ifdetach(struct scope6_id *);