From 75b0f38f8ec0cb70250e05ff24e052360f7c114f Mon Sep 17 00:00:00 2001
From: WormHeamer
Date: Tue, 2 Dec 2025 07:01:34 -0500
Subject: fileno() prototype

---
 strio.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/strio.h b/strio.h
index 9edd306..aede41c 100644
--- a/strio.h
+++ b/strio.h
@@ -30,6 +30,7 @@ const char *cstr_fmt(Arena *arena, const char *fmt, ...);
 
 #if defined(__linux__) || defined(_POSIX_C_SOURCE)
 #include <sys/stat.h>
+int fileno(FILE *);
 static inline long read_all_file_size(FILE *f) {
 	struct stat b;
 	if (fstat(fileno(f), &b)) return -1;
-- 
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