Issue #11626: Add _SizeT functions to stable ABI.
diff --git a/PC/python33stub.def b/PC/python33stub.def
index 4111d30..5b8ccf6 100644
--- a/PC/python33stub.def
+++ b/PC/python33stub.def
@@ -690,3 +690,9 @@
 _Py_SwappedOp
 _Py_TrueStruct
 _Py_VaBuildValue_SizeT
+_PyArg_Parse_SizeT
+_PyArg_ParseTuple_SizeT
+_PyArg_ParseTupleAndKeywords_SizeT
+_PyArg_VaParse_SizeT
+_PyArg_VaParseTupleAndKeywords_SizeT
+_Py_BuildValue_SizeT