llvm/clang/lib/Headers/__stdarg_va_list.h

/*===---- __stdarg_va_list.h - Definition of va_list -----------------------===
 *
 * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 * See https://llvm.org/LICENSE.txt for license information.
 * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 *
 *===-----------------------------------------------------------------------===
 */

#ifndef _VA_LIST
#define _VA_LIST
typedef __builtin_va_list va_list;
#endif