stdarg.h

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/*===---- stdarg.h - Variable argument handling ----------------------------===
 *
 * 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 __STDARG_H
#define __STDARG_H
 
#ifndef _VA_LIST
typedef __builtin_va_list va_list;
#define _VA_LIST
#endif
#define va_start(ap, param) __builtin_va_start(ap, param)
#define va_end(ap)          __builtin_va_end(ap)
#define va_arg(ap, type)    __builtin_va_arg(ap, type)
 
/* GCC always defines __va_copy, but does not define va_copy unless in c99 mode
 * or -ansi is not specified, since it was not part of C90.
 */
#define __va_copy(d,s) __builtin_va_copy(d,s)
 
#if __STDC_VERSION__ >= 199901L || __cplusplus >= 201103L || !defined(__STRICT_ANSI__)
#define va_copy(dest, src)  __builtin_va_copy(dest, src)
#endif
 
#ifndef __GNUC_VA_LIST
#define __GNUC_VA_LIST 1
typedef __builtin_va_list __gnuc_va_list;
#endif
 
#endif /* __STDARG_H */