dbus_bool_t _dbus_string_append_byte (DBusString *str,
unsigned char byte);
dbus_bool_t _dbus_string_append_printf (DBusString *str,
dbus_bool_t _dbus_string_append_byte (DBusString *str,
unsigned char byte);
dbus_bool_t _dbus_string_append_printf (DBusString *str,