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The C and C++ Include Header Files

cat -n /usr/include/python3.12/cpython/odictobject.h

     1	#ifndef Py_ODICTOBJECT_H
     2	#define Py_ODICTOBJECT_H
     3	#ifdef __cplusplus
     4	extern "C" {
     5	#endif
     6	
     7	
     8	/* OrderedDict */
     9	/* This API is optional and mostly redundant. */
    10	
    11	#ifndef Py_LIMITED_API
    12	
    13	typedef struct _odictobject PyODictObject;
    14	
    15	PyAPI_DATA(PyTypeObject) PyODict_Type;
    16	PyAPI_DATA(PyTypeObject) PyODictIter_Type;
    17	PyAPI_DATA(PyTypeObject) PyODictKeys_Type;
    18	PyAPI_DATA(PyTypeObject) PyODictItems_Type;
    19	PyAPI_DATA(PyTypeObject) PyODictValues_Type;
    20	
    21	#define PyODict_Check(op) PyObject_TypeCheck((op), &PyODict_Type)
    22	#define PyODict_CheckExact(op) Py_IS_TYPE((op), &PyODict_Type)
    23	#define PyODict_SIZE(op) PyDict_GET_SIZE((op))
    24	
    25	PyAPI_FUNC(PyObject *) PyODict_New(void);
    26	PyAPI_FUNC(int) PyODict_SetItem(PyObject *od, PyObject *key, PyObject *item);
    27	PyAPI_FUNC(int) PyODict_DelItem(PyObject *od, PyObject *key);
    28	
    29	/* wrappers around PyDict* functions */
    30	#define PyODict_GetItem(od, key) PyDict_GetItem(_PyObject_CAST(od), (key))
    31	#define PyODict_GetItemWithError(od, key) \
    32	    PyDict_GetItemWithError(_PyObject_CAST(od), (key))
    33	#define PyODict_Contains(od, key) PyDict_Contains(_PyObject_CAST(od), (key))
    34	#define PyODict_Size(od) PyDict_Size(_PyObject_CAST(od))
    35	#define PyODict_GetItemString(od, key) \
    36	    PyDict_GetItemString(_PyObject_CAST(od), (key))
    37	
    38	#endif
    39	
    40	#ifdef __cplusplus
    41	}
    42	#endif
    43	#endif /* !Py_ODICTOBJECT_H */