1/* Define __gnuc_va_list. */
2
3#ifndef __GNUC_VA_LIST
4#define __GNUC_VA_LIST
5typedef void *__gnuc_va_list;
6#endif /* not __GNUC_VA_LIST */
7
8/* If this is for internal libc use, don't define anything but
9   __gnuc_va_list.  */
10#if defined (_STDARG_H) || defined (_VARARGS_H)
11
12#ifdef _STDARG_H
13#define va_start(AP, LASTARG)						\
14  (AP = ((__gnuc_va_list) __builtin_next_arg (LASTARG)))
15#else
16#define __va_ellipsis ...
17#define va_alist __builtin_va_alist
18#define va_dcl int __builtin_va_alist; __va_ellipsis
19#define va_start(AP) AP=(char *) &__builtin_va_alist
20#endif
21
22/* Now stuff common to both varargs & stdarg implementations.  */
23#define __va_rounded_size(TYPE)						\
24  (((sizeof (TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int))
25#undef va_end
26void va_end (__gnuc_va_list);
27#define va_end(AP) ((void)0)
28#define va_arg(AP, TYPE)						\
29 (sizeof (TYPE) > 8							\
30  ? (AP = (__gnuc_va_list) ((char *) (AP) + __va_rounded_size (char *)),\
31    **((TYPE **) (void *) ((char *) (AP) - __va_rounded_size (char *))))\
32  : (AP = (__gnuc_va_list) ((char *) (AP) + __va_rounded_size (TYPE)),	\
33    *((TYPE *) (void *) ((char *) (AP) - __va_rounded_size (TYPE)))))
34#endif
35