369 		SYS_SLIST_FOR_EACH_CONTAINER(&sock_ctx[i]->observer, obs, node) {  in lwm2m_notify_observer_path()
462 	sys_slist_append(&ctx->observer, &obs->node);  in engine_observe_node_init()
611 	obs = engine_observe_node_discover(&msg->ctx->observer, &prev_node, &lwm2m_path_list, NULL,  in engine_add_observer()
700 	obs = engine_observe_node_discover(&msg->ctx->observer, &prev_node, &lwm2m_path_list, NULL,  in engine_add_composite_observer()
739 	sys_slist_remove(&ctx->observer, prev_node, &obs->node);  in remove_observer_from_list()
753 	obs = engine_observe_node_discover(&ctx->observer, &prev_node, NULL, token, tkl);  in engine_remove_observer_by_token()
790 	obs = engine_observe_node_discover(&msg->ctx->observer, &prev_node, &lwm2m_path_list, token,  in engine_remove_composite_observer()
843 	obs = engine_observe_node_discover(&ctx->observer, &prev_node, &lwm2m_path_list, NULL, 0);  in engine_remove_observer_by_path()
865 		SYS_SLIST_FOR_EACH_CONTAINER_SAFE(&sock_ctx[i]->observer, obs, tmp, node) {  in engine_remove_observer_by_id()
936 static int lwm2m_engine_observer_timestamp_update(sys_slist_t *observer,  in lwm2m_engine_observer_timestamp_update()  argument
946 	SYS_SLIST_FOR_EACH_CONTAINER(observer, obs, node) {  in lwm2m_engine_observer_timestamp_update()
1109 	return lwm2m_engine_observer_timestamp_update(&client_ctx->observer, path,  in lwm2m_update_observer_max_period()
1363 	lwm2m_engine_observer_timestamp_update(&msg->ctx->observer, &msg->path,  in lwm2m_write_attr_handler()
1376 		SYS_SLIST_FOR_EACH_CONTAINER(&sock_ctx[i]->observer, obs, node) {  in lwm2m_path_is_observed()