From 47a894d338f436ea8f513f1ad2cc7e1b086e99cc Mon Sep 17 00:00:00 2001
From: "Miss Islington (bot)"
 <31488909+miss-islington@users.noreply.github.com>
Date: Tue, 13 Apr 2021 04:45:20 -0700
Subject: bpo-43816: Add extern "C" to Include/cpython/pyctype.h (GH-25365)

Signed-off-by: Andrew V. Jones <andrew.jones@vector.com>
(cherry picked from commit 54db51c9114ac49030832f5134979ca866ffd21c)

Co-authored-by: Andrew V. Jones <andrewvaughanj@gmail.com>
---
 Include/pyctype.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Include/pyctype.h b/Include/pyctype.h
index 6bce63e..729d932 100644
--- a/Include/pyctype.h
+++ b/Include/pyctype.h
@@ -1,6 +1,9 @@
 #ifndef Py_LIMITED_API
 #ifndef PYCTYPE_H
 #define PYCTYPE_H
+#ifdef __cplusplus
+extern "C" {
+#endif
 
 #define PY_CTF_LOWER  0x01
 #define PY_CTF_UPPER  0x02
@@ -29,5 +32,8 @@ PyAPI_DATA(const unsigned char) _Py_ctype_toupper[256];
 #define Py_TOLOWER(c) (_Py_ctype_tolower[Py_CHARMASK(c)])
 #define Py_TOUPPER(c) (_Py_ctype_toupper[Py_CHARMASK(c)])
 
+#ifdef __cplusplus
+}
+#endif
 #endif /* !PYCTYPE_H */
 #endif /* !Py_LIMITED_API */
-- 
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