bpo-43916: Export the _PyStructSequence_InitType to fix build errors in the curses module (GH-25768)
diff --git a/Include/structseq.h b/Include/structseq.h
index af3af41..890e031 100644
--- a/Include/structseq.h
+++ b/Include/structseq.h
@@ -27,12 +27,10 @@ PyAPI_FUNC(void) PyStructSequence_InitType(PyTypeObject *type,
PyAPI_FUNC(int) PyStructSequence_InitType2(PyTypeObject *type,
PyStructSequence_Desc *desc);
#endif
-#ifdef Py_BUILD_CORE
-extern int _PyStructSequence_InitType(
+PyAPI_FUNC(int) _PyStructSequence_InitType(
PyTypeObject *type,
PyStructSequence_Desc *desc,
unsigned long tp_flags);
-#endif
PyAPI_FUNC(PyTypeObject*) PyStructSequence_NewType(PyStructSequence_Desc *desc);
PyAPI_FUNC(PyObject *) PyStructSequence_New(PyTypeObject* type);