cpython/Include/internal/pycore_descrobject.h

#ifndef Py_INTERNAL_DESCROBJECT_H
#define Py_INTERNAL_DESCROBJECT_H
#ifdef __cplusplus
extern "C" {
#endif

#ifndef Py_BUILD_CORE
#  error "this header requires Py_BUILD_CORE define"
#endif

typedef struct {
    PyObject_HEAD
    PyObject *prop_get;
    PyObject *prop_set;
    PyObject *prop_del;
    PyObject *prop_doc;
    PyObject *prop_name;
    int getter_doc;
} propertyobject;

typedef propertyobject _PyPropertyObject;

extern PyTypeObject _PyMethodWrapper_Type;

#ifdef __cplusplus
}
#endif
#endif   /* !Py_INTERNAL_DESCROBJECT_H */