dbus_bool_t _dbus_userdb_test (const char *test_data_dir);
dbus_bool_t _dbus_memory_test (void);
dbus_bool_t _dbus_object_tree_test (void);
dbus_bool_t _dbus_userdb_test (const char *test_data_dir);
dbus_bool_t _dbus_memory_test (void);
dbus_bool_t _dbus_object_tree_test (void);