From bfce0f977d20be0781f2b6f201ec309a67bf6099 Mon Sep 17 00:00:00 2001
From: Steve Dower <steve.dower@microsoft.com>
Date: Wed, 28 Dec 2016 15:41:09 -0800
Subject: Issue #28768: Fix implicit declaration of function _setmode. Patch by
 Masayuki Yamamoto

---
 Misc/NEWS            | 3 +++
 Modules/_io/fileio.c | 3 +++
 Modules/main.c       | 3 +++
 3 files changed, 9 insertions(+)

diff --git a/Misc/NEWS b/Misc/NEWS
index 8ce7778..9aebdb5 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -103,6 +103,9 @@ Tests
 Build
 -----
 
+- Issue #28768: Fix implicit declaration of function _setmode. Patch by
+  Masayuki Yamamoto
+
 - Issue #29080: Removes hard dependency on hg.exe from PC/build.bat
 
 - Issue #23903: Added missed names to PC/python3.def.
diff --git a/Modules/_io/fileio.c b/Modules/_io/fileio.c
index 54cfb7f..6854a44 100644
--- a/Modules/_io/fileio.c
+++ b/Modules/_io/fileio.c
@@ -9,6 +9,9 @@
 #ifdef HAVE_SYS_STAT_H
 #include <sys/stat.h>
 #endif
+#ifdef HAVE_IO_H
+#include <io.h>
+#endif
 #ifdef HAVE_FCNTL_H
 #include <fcntl.h>
 #endif
diff --git a/Modules/main.c b/Modules/main.c
index d75f64a..4cbe376 100644
--- a/Modules/main.c
+++ b/Modules/main.c
@@ -7,6 +7,9 @@
 
 #if defined(MS_WINDOWS) || defined(__CYGWIN__)
 #include <windows.h>
+#ifdef HAVE_IO_H
+#include <io.h>
+#endif
 #ifdef HAVE_FCNTL_H
 #include <fcntl.h>
 #endif
-- 
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