along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
+#include <stdbool.h>
+
#include "sd-bus.h"
-int bus_error_to_errno(const sd_bus_error *e);
-int bus_error_from_errno(sd_bus_error *e, int error);
+bool bus_error_is_dirty(sd_bus_error *e);
+
+const char *bus_error_message(const sd_bus_error *e, int error);
+
+int bus_error_setfv(sd_bus_error *e, const char *name, const char *format, va_list ap);
+int bus_error_set_errnofv(sd_bus_error *e, int error, const char *format, va_list ap);