HelenOS sources

corecfg_client_conn   57 uspace/srv/taskmon/taskmon.c static void corecfg_client_conn(ipc_call_t *, void *);
corecfg_client_conn  250 uspace/srv/taskmon/taskmon.c 	async_set_fallback_port_handler(corecfg_client_conn, NULL);
HelenOS homepage, sources at GitHub