auto import from //branches/cupcake/...@126645
diff --git a/libc/include/stdio.h b/libc/include/stdio.h
index b3b0adf..79e526b 100644
--- a/libc/include/stdio.h
+++ b/libc/include/stdio.h
@@ -41,6 +41,16 @@
#include <sys/cdefs.h>
#include <sys/_types.h>
+/* va_list and size_t must be defined by stdio.h according to Posix */
+#define __need___va_list
+#include <stdarg.h>
+
+/* note that this forces stddef.h to *only* define size_t */
+#define __need_size_t
+#include <stddef.h>
+
+#include <stddef.h>
+
#if __BSD_VISIBLE || __POSIX_VISIBLE || __XPG_VISIBLE
#include <sys/types.h> /* XXX should be removed */
#endif