...and I also forgot those.

lang/egcs/stable/files/include/stdarg.h

@@ -0,0 +1,25 @@
+#ifndef _STDARG_H_
+#define _STDARG_H_
+
+#include <machine/ansi.h>
+
+/* Define __gnuc_va_list.  */
+
+#ifndef __GNUC_VA_LIST
+#define __GNUC_VA_LIST
+typedef __builtin_va_list __gnuc_va_list;
+#endif
+
+/* Note that the type used in va_arg is supposed to match the
+   actual type **after default promotions**.
+   Thus, va_arg (..., short) is not valid.  */
+
+#define va_start(v,l)	__builtin_stdarg_start((v),l)
+#define va_end		__builtin_va_end
+#define va_arg		__builtin_va_arg
+#define va_copy(d,s)	__builtin_va_copy((d),(s))
+
+
+typedef __gnuc_va_list va_list;
+
+#endif /* not _STDARG_H_ */

lang/egcs/stable/files/include/varargs.h

@@ -0,0 +1,34 @@
+#ifndef _VARARGS_H_
+#define _VARARGS_H_
+
+/* These macros implement traditional (non-ANSI) varargs
+   for GNU C.  */
+
+#define va_alist  __builtin_va_alist
+
+#define	__va_ellipsis	...
+
+/* ??? We don't process attributes correctly in K&R argument context.  */
+typedef int __builtin_va_alist_t __attribute__((__mode__(__word__)));
+
+/* ??? It would be nice to get rid of the ellipsis here.  It causes
+   current_function_varargs to be set in cc1.  */
+#define va_dcl		__builtin_va_alist_t __builtin_va_alist; ...
+
+/* Define __gnuc_va_list, just as in stdarg.h.  */
+
+#ifndef __GNUC_VA_LIST
+#define __GNUC_VA_LIST
+typedef __builtin_va_list __gnuc_va_list;
+#endif
+
+#define va_start(v)	__builtin_varargs_start((v))
+#define va_end		__builtin_va_end
+#define va_arg		__builtin_va_arg
+#define __va_copy(d,s)	__builtin_va_copy((d),(s))
+
+/* Define va_list from __gnuc_va_list.  */
+
+typedef __gnuc_va_list va_list;
+
+#endif /* _VARARGS_H_ */