450 STD BSD { int varsym_set(int level, const char *name, const char *data); }
451 STD BSD { int varsym_get(int mask, const char *wild, char *buf, int bufsize); }
452 STD BSD { int varsym_list(int level, char *buf, int maxsize, int *marker); }
-453 STD BSD { int upc_register(struct upcall *upc, void *ctxfunc, void *func, void *data); }
-454 STD BSD { int upc_control(int cmd, int upcid, void *data); }
+453 OBSOL BSD upc_register
+454 OBSOL BSD upc_control
455 OBSOL BSD caps_sys_service
456 OBSOL BSD caps_sys_client
457 OBSOL BSD caps_sys_close