pacemakerd_event_cb  314 daemons/pacemakerd/pacemakerd.c     pcmk_register_ipc_callback(old_instance, pacemakerd_event_cb, NULL);
pacemakerd_event_cb  371 lib/pacemaker/pcmk_cluster_queries.c     pcmk_ipc_api_t *pacemakerd_api = ipc_connect(&data, pcmk_ipc_pacemakerd, pacemakerd_event_cb);
pacemakerd_event_cb  968 tools/crm_mon.c     pcmk_register_ipc_callback(pacemakerd_api, pacemakerd_event_cb, (void *) &state);