int in_addr_full_new(int family, const union in_addr_union *a, uint16_t port, int ifindex, const char *server_name, struct in_addr_full **ret);
int in_addr_full_new_from_string(const char *s, struct in_addr_full **ret);
const char *in_addr_full_to_string(struct in_addr_full *a);
+
+int netns_get_nsid(int netnsfd, uint32_t *ret);