IN6ADDR_LOOPBACK_INIT
#if defined(HAVE_IPV6) && !defined(HAVE_IN6ADDR_LOOPBACK) && defined(IN6ADDR_LOOPBACK_INIT)
struct in6_addr in6addr_loopback = IN6ADDR_LOOPBACK_INIT;
const struct in6_addr in6addr_loopback = IN6ADDR_LOOPBACK_INIT;
.sin6_addr = IN6ADDR_LOOPBACK_INIT,
struct in6_addr loopback = IN6ADDR_LOOPBACK_INIT;
const struct in6_addr in6loopback = IN6ADDR_LOOPBACK_INIT;
const struct in6_addr in6addr_loopback = IN6ADDR_LOOPBACK_INIT;
const struct in6_addr in6loopback = IN6ADDR_LOOPBACK_INIT;
const struct in6_addr loopback6 = IN6ADDR_LOOPBACK_INIT;
.sin6_addr = IN6ADDR_LOOPBACK_INIT,
struct in6_addr loopback6addr = IN6ADDR_LOOPBACK_INIT;
struct in6_addr ia6 = IN6ADDR_LOOPBACK_INIT;
static struct in6_addr in6loopback = IN6ADDR_LOOPBACK_INIT;