PEP 3155 / issue #13448: Qualified name for classes and functions.
diff --git a/Include/funcobject.h b/Include/funcobject.h
index 521d87b..cc1426c 100644
--- a/Include/funcobject.h
+++ b/Include/funcobject.h
@@ -31,6 +31,7 @@
     PyObject *func_weakreflist;	/* List of weak references */
     PyObject *func_module;	/* The __module__ attribute, can be anything */
     PyObject *func_annotations;	/* Annotations, a dict or NULL */
+    PyObject *func_qualname;    /* The qualified name */
 
     /* Invariant:
      *     func_closure contains the bindings for func_code->co_freevars, so
@@ -44,6 +45,7 @@
 #define PyFunction_Check(op) (Py_TYPE(op) == &PyFunction_Type)
 
 PyAPI_FUNC(PyObject *) PyFunction_New(PyObject *, PyObject *);
+PyAPI_FUNC(PyObject *) PyFunction_NewWithQualName(PyObject *, PyObject *, PyObject *);
 PyAPI_FUNC(PyObject *) PyFunction_GetCode(PyObject *);
 PyAPI_FUNC(PyObject *) PyFunction_GetGlobals(PyObject *);
 PyAPI_FUNC(PyObject *) PyFunction_GetModule(PyObject *);
diff --git a/Include/object.h b/Include/object.h
index b97f716..3cd5297 100644
--- a/Include/object.h
+++ b/Include/object.h
@@ -418,7 +418,7 @@
                                       a given operator (e.g. __getitem__).
                                       see add_operators() in typeobject.c . */
     PyBufferProcs as_buffer;
-    PyObject *ht_name, *ht_slots;
+    PyObject *ht_name, *ht_slots, *ht_qualname;
     /* here are optional user slots, followed by the members. */
 } PyHeapTypeObject;