V_in6_ifaddrhashtbl
(&V_in6_ifaddrhashtbl[IN6ADDR_HASHVAL(x) & V_in6_ifaddrhmask])
V_in6_ifaddrhashtbl = hashinit(IN6ADDR_NHASH, M_IFADDR,
hashdestroy(V_in6_ifaddrhashtbl, M_IFADDR, V_in6_ifaddrhmask);