* @param e: A pointer to an error.
* @return @c 1 on success, @c 0 otherwise.
*
- * Blocks the calling thread for the duration of one round trip to the
- * server, ensuring that all events and errors caused by previous
- * requests are available to XCB.
+ * @deprecated This function is deprecated. It must not be used in
+ * newly written code. XCBFlush is more efficient.
+ * Use XCBAuxSync if absolutely necessary.
*/
-int XCBSync(XCBConnection *c, XCBGenericError **e);
+int XCBSync(XCBConnection *c, XCBGenericError **e) deprecated;
/**