+dbus_bool_t _dbus_is_a_number (const DBusString *str,
+ unsigned long *num);
+
+dbus_bool_t _dbus_username_from_current_process (const DBusString **username);
+dbus_bool_t _dbus_homedir_from_current_process (const DBusString **homedir);
+dbus_bool_t _dbus_homedir_from_username (const DBusString *username,
+ DBusString *homedir);
+
+dbus_bool_t _dbus_homedir_from_uid (dbus_uid_t uid,
+ DBusString *homedir);