static int rt_link2_ep( endpoint_t* ep );
static int uta_epsock_byname( route_table_t* rt, char* ep_name, nng_socket* nn_sock );
static int uta_epsock_rr( route_table_t *rt, uint64_t key, int group, int* more, nng_socket* nn_sock );
static int rt_link2_ep( endpoint_t* ep );
static int uta_epsock_byname( route_table_t* rt, char* ep_name, nng_socket* nn_sock );
static int uta_epsock_rr( route_table_t *rt, uint64_t key, int group, int* more, nng_socket* nn_sock );