These macros are used in the definition of :ctype:`PyObject` and
:ctype:`PyVarObject`:
+.. XXX need to document PEP 3123 changes here
.. cmacro:: PyObject_HEAD
Note that :cmacro:`PyObject_HEAD` is part of the expansion, and that its own
expansion varies depending on the definition of :cmacro:`Py_TRACE_REFS`.
-PyObject_HEAD_INIT
+.. cmacro:: PyObject_HEAD_INIT
.. ctype:: PyCFunction
in Python. The function must return a new reference.
+.. ctype:: PyCFunctionWithKeywords
+
+ Type of the functions used to implement Python callables in C that take
+ keyword arguments: they take three :ctype:`PyObject\*` parameters and return
+ one such value. See :ctype:`PyCFunction` above for the meaning of the return
+ value.
+
+
.. ctype:: PyMethodDef
Structure used to describe a method of an extension type. This structure has