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Document _PyObject_GetDictPtr #13

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10 changes: 10 additions & 0 deletions Doc/c-api/object.rst
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Expand Up @@ -137,6 +137,16 @@ Object Protocol
.. versionadded:: 3.3


.. c:function:: PyObject** _PyObject_GetDictPtr(PyObject *obj)

Return a pointer to :py:attr:`~object.__dict__` of the object *obj*.
If there is no ``__dict__``, return ``NULL`` without setting an exception.

Calling this function` may need to allocate memory for the
dictionary, so it is may be more efficient to call :c:func:`PyObject_GetAttr`
when accessing an attribute on the object.


.. c:function:: PyObject* PyObject_RichCompare(PyObject *o1, PyObject *o2, int opid)

Compare the values of *o1* and *o2* using the operation specified by *opid*,
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