update to new C roles and directives
diff --git a/Doc/c-api/codec.rst b/Doc/c-api/codec.rst
index 2597d38..8207ae0 100644
--- a/Doc/c-api/codec.rst
+++ b/Doc/c-api/codec.rst
@@ -3,19 +3,19 @@
Codec registry and support functions
====================================
-.. cfunction:: int PyCodec_Register(PyObject *search_function)
+.. c:function:: int PyCodec_Register(PyObject *search_function)
Register a new codec search function.
As side effect, this tries to load the :mod:`encodings` package, if not yet
done, to make sure that it is always first in the list of search functions.
-.. cfunction:: int PyCodec_KnownEncoding(const char *encoding)
+.. c:function:: int PyCodec_KnownEncoding(const char *encoding)
Return ``1`` or ``0`` depending on whether there is a registered codec for
the given *encoding*.
-.. cfunction:: PyObject* PyCodec_Encode(PyObject *object, const char *encoding, const char *errors)
+.. c:function:: PyObject* PyCodec_Encode(PyObject *object, const char *encoding, const char *errors)
Generic codec based encoding API.
@@ -24,7 +24,7 @@
be *NULL* to use the default method defined for the codec. Raises a
:exc:`LookupError` if no encoder can be found.
-.. cfunction:: PyObject* PyCodec_Decode(PyObject *object, const char *encoding, const char *errors)
+.. c:function:: PyObject* PyCodec_Decode(PyObject *object, const char *encoding, const char *errors)
Generic codec based decoding API.
@@ -42,27 +42,27 @@
effectively case-insensitive. If no codec is found, a :exc:`KeyError` is set
and *NULL* returned.
-.. cfunction:: PyObject* PyCodec_Encoder(const char *encoding)
+.. c:function:: PyObject* PyCodec_Encoder(const char *encoding)
Get an encoder function for the given *encoding*.
-.. cfunction:: PyObject* PyCodec_Decoder(const char *encoding)
+.. c:function:: PyObject* PyCodec_Decoder(const char *encoding)
Get a decoder function for the given *encoding*.
-.. cfunction:: PyObject* PyCodec_IncrementalEncoder(const char *encoding, const char *errors)
+.. c:function:: PyObject* PyCodec_IncrementalEncoder(const char *encoding, const char *errors)
Get an :class:`IncrementalEncoder` object for the given *encoding*.
-.. cfunction:: PyObject* PyCodec_IncrementalDecoder(const char *encoding, const char *errors)
+.. c:function:: PyObject* PyCodec_IncrementalDecoder(const char *encoding, const char *errors)
Get an :class:`IncrementalDecoder` object for the given *encoding*.
-.. cfunction:: PyObject* PyCodec_StreamReader(const char *encoding, PyObject *stream, const char *errors)
+.. c:function:: PyObject* PyCodec_StreamReader(const char *encoding, PyObject *stream, const char *errors)
Get a :class:`StreamReader` factory function for the given *encoding*.
-.. cfunction:: PyObject* PyCodec_StreamWriter(const char *encoding, PyObject *stream, const char *errors)
+.. c:function:: PyObject* PyCodec_StreamWriter(const char *encoding, PyObject *stream, const char *errors)
Get a :class:`StreamWriter` factory function for the given *encoding*.
@@ -70,7 +70,7 @@
Registry API for Unicode encoding error handlers
------------------------------------------------
-.. cfunction:: int PyCodec_RegisterError(const char *name, PyObject *error)
+.. c:function:: int PyCodec_RegisterError(const char *name, PyObject *error)
Register the error handling callback function *error* under the given *name*.
This callback function will be called by a codec when it encounters
@@ -89,29 +89,29 @@
Return ``0`` on success, ``-1`` on error.
-.. cfunction:: PyObject* PyCodec_LookupError(const char *name)
+.. c:function:: PyObject* PyCodec_LookupError(const char *name)
Lookup the error handling callback function registered under *name*. As a
special case *NULL* can be passed, in which case the error handling callback
for "strict" will be returned.
-.. cfunction:: PyObject* PyCodec_StrictErrors(PyObject *exc)
+.. c:function:: PyObject* PyCodec_StrictErrors(PyObject *exc)
Raise *exc* as an exception.
-.. cfunction:: PyObject* PyCodec_IgnoreErrors(PyObject *exc)
+.. c:function:: PyObject* PyCodec_IgnoreErrors(PyObject *exc)
Ignore the unicode error, skipping the faulty input.
-.. cfunction:: PyObject* PyCodec_ReplaceErrors(PyObject *exc)
+.. c:function:: PyObject* PyCodec_ReplaceErrors(PyObject *exc)
Replace the unicode encode error with ``?`` or ``U+FFFD``.
-.. cfunction:: PyObject* PyCodec_XMLCharRefReplaceErrors(PyObject *exc)
+.. c:function:: PyObject* PyCodec_XMLCharRefReplaceErrors(PyObject *exc)
Replace the unicode encode error with XML character references.
-.. cfunction:: PyObject* PyCodec_BackslashReplaceErrors(PyObject *exc)
+.. c:function:: PyObject* PyCodec_BackslashReplaceErrors(PyObject *exc)
Replace the unicode encode error with backslash escapes (``\x``, ``\u`` and
``\U``).