bpo-35134: Create Include/cpython/tupleobject.h (GH-10764)

Move tupleobject.h code surrounded by "#ifndef Py_LIMITED_API"
to a new Include/cpython/tupleobject.h header file.

Add cpython/ header files to Makefile.pre.in and pythoncore project
of PCbuild.
diff --git a/Include/tupleobject.h b/Include/tupleobject.h
index 75574bc..590902d 100644
--- a/Include/tupleobject.h
+++ b/Include/tupleobject.h
@@ -1,4 +1,3 @@
-
 /* Tuple object interface */
 
 #ifndef Py_TUPLEOBJECT_H
@@ -21,18 +20,6 @@
 returned item's reference count.
 */
 
-#ifndef Py_LIMITED_API
-typedef struct {
-    PyObject_VAR_HEAD
-    PyObject *ob_item[1];
-
-    /* ob_item contains space for 'ob_size' elements.
-     * Items must normally not be NULL, except during construction when
-     * the tuple is not yet visible outside the function that builds it.
-     */
-} PyTupleObject;
-#endif
-
 PyAPI_DATA(PyTypeObject) PyTuple_Type;
 PyAPI_DATA(PyTypeObject) PyTupleIter_Type;
 
@@ -45,30 +32,15 @@
 PyAPI_FUNC(PyObject *) PyTuple_GetItem(PyObject *, Py_ssize_t);
 PyAPI_FUNC(int) PyTuple_SetItem(PyObject *, Py_ssize_t, PyObject *);
 PyAPI_FUNC(PyObject *) PyTuple_GetSlice(PyObject *, Py_ssize_t, Py_ssize_t);
-#ifndef Py_LIMITED_API
-PyAPI_FUNC(int) _PyTuple_Resize(PyObject **, Py_ssize_t);
-#endif
 PyAPI_FUNC(PyObject *) PyTuple_Pack(Py_ssize_t, ...);
-#ifndef Py_LIMITED_API
-PyAPI_FUNC(void) _PyTuple_MaybeUntrack(PyObject *);
-#endif
-
-/* Macro, trading safety for speed */
-#ifndef Py_LIMITED_API
-/* Cast argument to PyTupleObject* type. */
-#define _PyTuple_CAST(op) (assert(PyTuple_Check(op)), (PyTupleObject *)(op))
-
-#define PyTuple_GET_ITEM(op, i) (_PyTuple_CAST(op)->ob_item[i])
-#define PyTuple_GET_SIZE(op)    Py_SIZE(_PyTuple_CAST(op))
-
-/* Macro, *only* to be used to fill in brand new tuples */
-#define PyTuple_SET_ITEM(op, i, v) (_PyTuple_CAST(op)->ob_item[i] = v)
-#endif
 
 PyAPI_FUNC(int) PyTuple_ClearFreeList(void);
+
 #ifndef Py_LIMITED_API
-PyAPI_FUNC(void) _PyTuple_DebugMallocStats(FILE *out);
-#endif /* Py_LIMITED_API */
+#  define Py_CPYTHON_TUPLEOBJECT_H
+#  include  "cpython/tupleobject.h"
+#  undef Py_CPYTHON_TUPLEOBJECT_H
+#endif
 
 #ifdef __cplusplus
 }