Migrate to Sphinx 1.0 C language constructs.
diff --git a/Doc/c-api/iterator.rst b/Doc/c-api/iterator.rst
index 8665080..82cb4eb 100644
--- a/Doc/c-api/iterator.rst
+++ b/Doc/c-api/iterator.rst
@@ -12,37 +12,37 @@
sentinel value is returned.
-.. cvar:: PyTypeObject PySeqIter_Type
+.. c:var:: PyTypeObject PySeqIter_Type
- Type object for iterator objects returned by :cfunc:`PySeqIter_New` and the
+ Type object for iterator objects returned by :c:func:`PySeqIter_New` and the
one-argument form of the :func:`iter` built-in function for built-in sequence
types.
-.. cfunction:: int PySeqIter_Check(op)
+.. c:function:: int PySeqIter_Check(op)
- Return true if the type of *op* is :cdata:`PySeqIter_Type`.
+ Return true if the type of *op* is :c:data:`PySeqIter_Type`.
-.. cfunction:: PyObject* PySeqIter_New(PyObject *seq)
+.. c:function:: PyObject* PySeqIter_New(PyObject *seq)
Return an iterator that works with a general sequence object, *seq*. The
iteration ends when the sequence raises :exc:`IndexError` for the subscripting
operation.
-.. cvar:: PyTypeObject PyCallIter_Type
+.. c:var:: PyTypeObject PyCallIter_Type
- Type object for iterator objects returned by :cfunc:`PyCallIter_New` and the
+ Type object for iterator objects returned by :c:func:`PyCallIter_New` and the
two-argument form of the :func:`iter` built-in function.
-.. cfunction:: int PyCallIter_Check(op)
+.. c:function:: int PyCallIter_Check(op)
- Return true if the type of *op* is :cdata:`PyCallIter_Type`.
+ Return true if the type of *op* is :c:data:`PyCallIter_Type`.
-.. cfunction:: PyObject* PyCallIter_New(PyObject *callable, PyObject *sentinel)
+.. c:function:: PyObject* PyCallIter_New(PyObject *callable, PyObject *sentinel)
Return a new iterator. The first parameter, *callable*, can be any Python
callable object that can be called with no parameters; each call to it should