#include extern "C" int puts(const char *); int main() { struct in6_addr in6any = IN6ADDR_ANY_INIT; struct in6_addr in6loopback = IN6ADDR_LOOPBACK_INIT; int i; for (i = 0; i < 16; ++i) if (in6any.s6_addr[i] != in6addr_any.s6_addr[i]) return puts("in6addr_any != IN6ADDR_ANY_INIT\n"); for (i = 0; i < 16; ++i) if (in6loopback.s6_addr[i] != in6addr_loopback.s6_addr[i]) return puts("in6addr_loopback != IN6ADDR_LOOPBACK_INIT\n"); return puts("pass"); }