From 9dcf5c5c8883aae2c02ffdd37f74d6072bb17b62 Mon Sep 17 00:00:00 2001
From: Augustin Cavalier <waddlesplash@gmail.com>
Date: Mon, 7 Apr 2025 14:48:23 -0400
Subject: [PATCH] stdio_ext.h: Add missing declaration for __fseterr.

Follow-up to #19479.
---
 headers/posix/stdio_ext.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/headers/posix/stdio_ext.h b/headers/posix/stdio_ext.h
index 12a2fae2b9..3187c7f8f7 100644
--- a/headers/posix/stdio_ext.h
+++ b/headers/posix/stdio_ext.h
@@ -18,6 +18,7 @@ extern "C" {
 
 extern void		_flushlbf(void);
 extern int		__fsetlocking(FILE* stream, int type);
+extern void		__fseterr(FILE* stream);
 
 extern int		__freading(FILE* stream);
 extern int		__fwriting(FILE* stream);