Merge branches/pep-0384.
diff --git a/Include/pyctype.h b/Include/pyctype.h
index c5cc614..787c1b9 100644
--- a/Include/pyctype.h
+++ b/Include/pyctype.h
@@ -1,3 +1,4 @@
+#ifndef Py_LIMITED_API
 #ifndef PYCTYPE_H
 #define PYCTYPE_H
 
@@ -29,3 +30,4 @@
 #define Py_TOUPPER(c) (_Py_ctype_toupper[Py_CHARMASK(c)])
 
 #endif /* !PYCTYPE_H */
+#endif /* !Py_LIMITED_API */