+static int addrcmp(const struct sockaddr_storage *s1,
+ const struct sockaddr_storage *s2)
+{
+ if (s1->ss_family != s2->ss_family)
+ return s1->ss_family - s2->ss_family;
+ if (s1->ss_family == AF_INET)
+ return memcmp(&((struct sockaddr_in *)s1)->sin_addr,
+ &((struct sockaddr_in *)s2)->sin_addr,
+ sizeof(struct in_addr));
+#ifndef NO_IPV6
+ if (s1->ss_family == AF_INET6)
+ return memcmp(&((struct sockaddr_in6 *)s1)->sin6_addr,
+ &((struct sockaddr_in6 *)s2)->sin6_addr,
+ sizeof(struct in6_addr));
+#endif
+ return 0;
+}
+