int bus_connect_system_polkit(DBusConnection **_bus, DBusError *error);
const char *bus_error_message(const DBusError *error);
-const char *bus_error_message_or_strerror(const DBusError *error, int err);
+const char *bus_error(const DBusError *e, int r);
typedef int (*BusPropertyCallback)(DBusMessageIter *iter, const char *property, void *data);
typedef int (*BusPropertySetCallback)(DBusMessageIter *iter, const char *property, void *data);
const char *job_path;
};
+int bus_parse_unit_info(DBusMessageIter *iter, struct unit_info *u);
+
int bus_append_strv_iter(DBusMessageIter *iter, char **l);
int bus_iter_get_basic_and_next(DBusMessageIter *iter, int type, void *data, bool next);