extern int INET_rresolve(char *name, size_t len, struct sockaddr_in *s_in,
int numeric, unsigned int netmask);
+#ifdef CONFIG_FEATURE_IPV6
extern int INET6_resolve(const char *name, struct sockaddr_in6 *sin6);
extern int INET6_rresolve(char *name, size_t len, struct sockaddr_in6 *sin6, int numeric);
+#endif