Migrate to Sphinx 1.0 C language constructs.
diff --git a/Doc/c-api/datetime.rst b/Doc/c-api/datetime.rst
index 6515bab..fcd1395 100644
--- a/Doc/c-api/datetime.rst
+++ b/Doc/c-api/datetime.rst
@@ -8,93 +8,93 @@
 Various date and time objects are supplied by the :mod:`datetime` module.
 Before using any of these functions, the header file :file:`datetime.h` must be
 included in your source (note that this is not included by :file:`Python.h`),
-and the macro :cmacro:`PyDateTime_IMPORT` must be invoked, usually as part of
+and the macro :c:macro:`PyDateTime_IMPORT` must be invoked, usually as part of
 the module initialisation function.  The macro puts a pointer to a C structure
-into a static variable, :cdata:`PyDateTimeAPI`, that is used by the following
+into a static variable, :c:data:`PyDateTimeAPI`, that is used by the following
 macros.
 
 Type-check macros:
 
-.. cfunction:: int PyDate_Check(PyObject *ob)
+.. c:function:: int PyDate_Check(PyObject *ob)
 
-   Return true if *ob* is of type :cdata:`PyDateTime_DateType` or a subtype of
-   :cdata:`PyDateTime_DateType`.  *ob* must not be *NULL*.
+   Return true if *ob* is of type :c:data:`PyDateTime_DateType` or a subtype of
+   :c:data:`PyDateTime_DateType`.  *ob* must not be *NULL*.
 
 
-.. cfunction:: int PyDate_CheckExact(PyObject *ob)
+.. c:function:: int PyDate_CheckExact(PyObject *ob)
 
-   Return true if *ob* is of type :cdata:`PyDateTime_DateType`. *ob* must not be
+   Return true if *ob* is of type :c:data:`PyDateTime_DateType`. *ob* must not be
    *NULL*.
 
 
-.. cfunction:: int PyDateTime_Check(PyObject *ob)
+.. c:function:: int PyDateTime_Check(PyObject *ob)
 
-   Return true if *ob* is of type :cdata:`PyDateTime_DateTimeType` or a subtype of
-   :cdata:`PyDateTime_DateTimeType`.  *ob* must not be *NULL*.
+   Return true if *ob* is of type :c:data:`PyDateTime_DateTimeType` or a subtype of
+   :c:data:`PyDateTime_DateTimeType`.  *ob* must not be *NULL*.
 
 
-.. cfunction:: int PyDateTime_CheckExact(PyObject *ob)
+.. c:function:: int PyDateTime_CheckExact(PyObject *ob)
 
-   Return true if *ob* is of type :cdata:`PyDateTime_DateTimeType`. *ob* must not
+   Return true if *ob* is of type :c:data:`PyDateTime_DateTimeType`. *ob* must not
    be *NULL*.
 
 
-.. cfunction:: int PyTime_Check(PyObject *ob)
+.. c:function:: int PyTime_Check(PyObject *ob)
 
-   Return true if *ob* is of type :cdata:`PyDateTime_TimeType` or a subtype of
-   :cdata:`PyDateTime_TimeType`.  *ob* must not be *NULL*.
+   Return true if *ob* is of type :c:data:`PyDateTime_TimeType` or a subtype of
+   :c:data:`PyDateTime_TimeType`.  *ob* must not be *NULL*.
 
 
-.. cfunction:: int PyTime_CheckExact(PyObject *ob)
+.. c:function:: int PyTime_CheckExact(PyObject *ob)
 
-   Return true if *ob* is of type :cdata:`PyDateTime_TimeType`. *ob* must not be
+   Return true if *ob* is of type :c:data:`PyDateTime_TimeType`. *ob* must not be
    *NULL*.
 
 
-.. cfunction:: int PyDelta_Check(PyObject *ob)
+.. c:function:: int PyDelta_Check(PyObject *ob)
 
-   Return true if *ob* is of type :cdata:`PyDateTime_DeltaType` or a subtype of
-   :cdata:`PyDateTime_DeltaType`.  *ob* must not be *NULL*.
+   Return true if *ob* is of type :c:data:`PyDateTime_DeltaType` or a subtype of
+   :c:data:`PyDateTime_DeltaType`.  *ob* must not be *NULL*.
 
 
-.. cfunction:: int PyDelta_CheckExact(PyObject *ob)
+.. c:function:: int PyDelta_CheckExact(PyObject *ob)
 
-   Return true if *ob* is of type :cdata:`PyDateTime_DeltaType`. *ob* must not be
+   Return true if *ob* is of type :c:data:`PyDateTime_DeltaType`. *ob* must not be
    *NULL*.
 
 
-.. cfunction:: int PyTZInfo_Check(PyObject *ob)
+.. c:function:: int PyTZInfo_Check(PyObject *ob)
 
-   Return true if *ob* is of type :cdata:`PyDateTime_TZInfoType` or a subtype of
-   :cdata:`PyDateTime_TZInfoType`.  *ob* must not be *NULL*.
+   Return true if *ob* is of type :c:data:`PyDateTime_TZInfoType` or a subtype of
+   :c:data:`PyDateTime_TZInfoType`.  *ob* must not be *NULL*.
 
 
-.. cfunction:: int PyTZInfo_CheckExact(PyObject *ob)
+.. c:function:: int PyTZInfo_CheckExact(PyObject *ob)
 
-   Return true if *ob* is of type :cdata:`PyDateTime_TZInfoType`. *ob* must not be
+   Return true if *ob* is of type :c:data:`PyDateTime_TZInfoType`. *ob* must not be
    *NULL*.
 
 
 Macros to create objects:
 
-.. cfunction:: PyObject* PyDate_FromDate(int year, int month, int day)
+.. c:function:: PyObject* PyDate_FromDate(int year, int month, int day)
 
    Return a ``datetime.date`` object with the specified year, month and day.
 
 
-.. cfunction:: PyObject* PyDateTime_FromDateAndTime(int year, int month, int day, int hour, int minute, int second, int usecond)
+.. c:function:: PyObject* PyDateTime_FromDateAndTime(int year, int month, int day, int hour, int minute, int second, int usecond)
 
    Return a ``datetime.datetime`` object with the specified year, month, day, hour,
    minute, second and microsecond.
 
 
-.. cfunction:: PyObject* PyTime_FromTime(int hour, int minute, int second, int usecond)
+.. c:function:: PyObject* PyTime_FromTime(int hour, int minute, int second, int usecond)
 
    Return a ``datetime.time`` object with the specified hour, minute, second and
    microsecond.
 
 
-.. cfunction:: PyObject* PyDelta_FromDSU(int days, int seconds, int useconds)
+.. c:function:: PyObject* PyDelta_FromDSU(int days, int seconds, int useconds)
 
    Return a ``datetime.timedelta`` object representing the given number of days,
    seconds and microseconds.  Normalization is performed so that the resulting
@@ -103,82 +103,82 @@
 
 
 Macros to extract fields from date objects.  The argument must be an instance of
-:cdata:`PyDateTime_Date`, including subclasses (such as
-:cdata:`PyDateTime_DateTime`).  The argument must not be *NULL*, and the type is
+:c:data:`PyDateTime_Date`, including subclasses (such as
+:c:data:`PyDateTime_DateTime`).  The argument must not be *NULL*, and the type is
 not checked:
 
-.. cfunction:: int PyDateTime_GET_YEAR(PyDateTime_Date *o)
+.. c:function:: int PyDateTime_GET_YEAR(PyDateTime_Date *o)
 
    Return the year, as a positive int.
 
 
-.. cfunction:: int PyDateTime_GET_MONTH(PyDateTime_Date *o)
+.. c:function:: int PyDateTime_GET_MONTH(PyDateTime_Date *o)
 
    Return the month, as an int from 1 through 12.
 
 
-.. cfunction:: int PyDateTime_GET_DAY(PyDateTime_Date *o)
+.. c:function:: int PyDateTime_GET_DAY(PyDateTime_Date *o)
 
    Return the day, as an int from 1 through 31.
 
 
 Macros to extract fields from datetime objects.  The argument must be an
-instance of :cdata:`PyDateTime_DateTime`, including subclasses. The argument
+instance of :c:data:`PyDateTime_DateTime`, including subclasses. The argument
 must not be *NULL*, and the type is not checked:
 
-.. cfunction:: int PyDateTime_DATE_GET_HOUR(PyDateTime_DateTime *o)
+.. c:function:: int PyDateTime_DATE_GET_HOUR(PyDateTime_DateTime *o)
 
    Return the hour, as an int from 0 through 23.
 
 
-.. cfunction:: int PyDateTime_DATE_GET_MINUTE(PyDateTime_DateTime *o)
+.. c:function:: int PyDateTime_DATE_GET_MINUTE(PyDateTime_DateTime *o)
 
    Return the minute, as an int from 0 through 59.
 
 
-.. cfunction:: int PyDateTime_DATE_GET_SECOND(PyDateTime_DateTime *o)
+.. c:function:: int PyDateTime_DATE_GET_SECOND(PyDateTime_DateTime *o)
 
    Return the second, as an int from 0 through 59.
 
 
-.. cfunction:: int PyDateTime_DATE_GET_MICROSECOND(PyDateTime_DateTime *o)
+.. c:function:: int PyDateTime_DATE_GET_MICROSECOND(PyDateTime_DateTime *o)
 
    Return the microsecond, as an int from 0 through 999999.
 
 
 Macros to extract fields from time objects.  The argument must be an instance of
-:cdata:`PyDateTime_Time`, including subclasses. The argument must not be *NULL*,
+:c:data:`PyDateTime_Time`, including subclasses. The argument must not be *NULL*,
 and the type is not checked:
 
-.. cfunction:: int PyDateTime_TIME_GET_HOUR(PyDateTime_Time *o)
+.. c:function:: int PyDateTime_TIME_GET_HOUR(PyDateTime_Time *o)
 
    Return the hour, as an int from 0 through 23.
 
 
-.. cfunction:: int PyDateTime_TIME_GET_MINUTE(PyDateTime_Time *o)
+.. c:function:: int PyDateTime_TIME_GET_MINUTE(PyDateTime_Time *o)
 
    Return the minute, as an int from 0 through 59.
 
 
-.. cfunction:: int PyDateTime_TIME_GET_SECOND(PyDateTime_Time *o)
+.. c:function:: int PyDateTime_TIME_GET_SECOND(PyDateTime_Time *o)
 
    Return the second, as an int from 0 through 59.
 
 
-.. cfunction:: int PyDateTime_TIME_GET_MICROSECOND(PyDateTime_Time *o)
+.. c:function:: int PyDateTime_TIME_GET_MICROSECOND(PyDateTime_Time *o)
 
    Return the microsecond, as an int from 0 through 999999.
 
 
 Macros for the convenience of modules implementing the DB API:
 
-.. cfunction:: PyObject* PyDateTime_FromTimestamp(PyObject *args)
+.. c:function:: PyObject* PyDateTime_FromTimestamp(PyObject *args)
 
    Create and return a new ``datetime.datetime`` object given an argument tuple
    suitable for passing to ``datetime.datetime.fromtimestamp()``.
 
 
-.. cfunction:: PyObject* PyDate_FromTimestamp(PyObject *args)
+.. c:function:: PyObject* PyDate_FromTimestamp(PyObject *args)
 
    Create and return a new ``datetime.date`` object given an argument tuple
    suitable for passing to ``datetime.date.fromtimestamp()``.