# Includes unistd.h at the top of gzguts.h when not targeting Windows to fix builds for game consoles.

--- a/gzguts.h
+++ b/gzguts.h
@@ -2,6 +2,9 @@
  * Copyright (C) 2004-2024 Mark Adler
  * For conditions of distribution and use, see copyright notice in zlib.h
  */
+#ifndef _WIN32
+#  include <unistd.h>
+#endif
 
 #ifdef _LARGEFILE64_SOURCE
 #  ifndef _LARGEFILE_SOURCE