From 95f2e233c5944d55a4fccd725d423e5f149687f5 Mon Sep 17 00:00:00 2001
From: Calvin Rose <calsrose@gmail.com>
Date: Sun, 1 Mar 2026 12:20:15 -0600
Subject: Try io.h on windows

---
 src/core/io.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/core/io.c b/src/core/io.c
index 274f9eeb..cb731188 100644
--- a/src/core/io.c
+++ b/src/core/io.c
@@ -43,6 +43,7 @@ static void *io_file_unmarshal(JanetMarshalContext *ctx);
 static Janet io_file_next(void *p, Janet key);
 
 #ifdef JANET_WINDOWS
+#include <io.h>
 #define ftell _ftelli64
 #define fseek _fseeki64
 #endif
-- 
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