From 0cbad869b044c022cdda20febca6e959b67e86a5 Mon Sep 17 00:00:00 2001
From: Mark Adler <madler@alumni.caltech.edu>
Date: Mon, 21 Nov 2011 18:38:37 -0800
Subject: [PATCH] Include io.h for Turbo C / Borland C++.

---
 gzguts.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gzguts.h b/gzguts.h
index 88e2bc2..9daada1 100644
--- a/gzguts.h
+++ b/gzguts.h
@@ -27,6 +27,10 @@
 #endif
 #include <fcntl.h>
 
+#if defined(MSDOS) && defined(__TURBOC__)
+#  include <io.h>
+#endif
+
 #ifdef NO_DEFLATE       /* for compatibility with old definition */
 #  define NO_GZCOMPRESS
 #endif
-- 
2.7.4