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-rw-r--r--include/stdio.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/include/stdio.h b/include/stdio.h
index ea016d65095d..50e3ff2d1c34 100644
--- a/include/stdio.h
+++ b/include/stdio.h
@@ -32,8 +32,8 @@
* SUCH DAMAGE.
*/
-#ifndef _STDIO_H_
-#define _STDIO_H_
+#ifndef __STDC_VERSION_STDIO_H__
+#define __STDC_VERSION_STDIO_H__ 202311L
#include <sys/cdefs.h>
#include <sys/_null.h>
@@ -540,4 +540,4 @@ extern int __isthreaded;
__END_DECLS
__NULLABILITY_PRAGMA_POP
-#endif /* !_STDIO_H_ */
+#endif /* !__STDC_VERSION_STDIO_H__ */