stdarg.h

#pragma once
 
#define va_start(v,l)   __builtin_va_start(v,l)
#define va_end(v)   __builtin_va_end(v)
#define va_arg(v,l) __builtin_va_arg(v,l)
#if !defined(__STRICT_ANSI__) || __STDC_VERSION__ + 0 >= 199900L || defined(__GXX_EXPERIMENTAL_CXX0X__)
#define va_copy(d,s)    __builtin_va_copy(d,s)
 
typedef struct {
    char *a0; /* pointer to first homed integer argument */
    int offset; /* byte offset of next parameter */
} va_list;
 
void va_start(va_list ap, last);
type va_arg(va_list ap, type);
void va_end(va_list ap);