+int sd_rtnl_send(sd_rtnl *nl, sd_rtnl_message *message, uint32_t *serial);
+int sd_rtnl_call_async(sd_rtnl *nl, sd_rtnl_message *message,
+ sd_rtnl_message_handler_t callback,
+ void *userdata, uint64_t usec, uint32_t *serial);
+int sd_rtnl_call_async_cancel(sd_rtnl *nl, uint32_t serial);
+int sd_rtnl_call(sd_rtnl *nl, sd_rtnl_message *message, uint64_t timeout,
+ sd_rtnl_message **reply);
+
+
+int sd_rtnl_get_events(sd_rtnl *nl);
+int sd_rtnl_get_timeout(sd_rtnl *nl, uint64_t *timeout);
+int sd_rtnl_process(sd_rtnl *nl, sd_rtnl_message **ret);
+int sd_rtnl_wait(sd_rtnl *nl, uint64_t timeout);
+int sd_rtnl_flush(sd_rtnl *nl);
+
+int sd_rtnl_add_match(sd_rtnl *nl, uint16_t match, sd_rtnl_message_handler_t c, void *userdata);
+int sd_rtnl_remove_match(sd_rtnl *nl, uint16_t match, sd_rtnl_message_handler_t c, void *userdata);
+
+int sd_rtnl_attach_event(sd_rtnl *nl, sd_event *e, int priority);
+int sd_rtnl_detach_event(sd_rtnl *nl);