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/* C objects to be exported from one extension module to another.
C objects are used for communication between extension modules.
They provide a way for an extension module to export a C interface
to other extension modules, so that extension modules can use the
Python import mechanism to link to one another.
*/
#ifndef Py_COBJECT_H
#define Py_COBJECT_H
#ifdef __cplusplus
extern "C" {
#endif
extern DL_IMPORT(PyTypeObject) PyCObject_Type;
#define PyCObject_Check(op) ((op)->ob_type == &PyCObject_Type)
/* Create a PyCObject from a pointer to a C object and an optional
destructor function. If the second argument is non-null, then it
will be called with the first argument if and when the PyCObject is
destroyed.
*/
extern DL_IMPORT(PyObject *)
PyCObject_FromVoidPtr(void *cobj, void (*destruct)(void*));
/* Create a PyCObject from a pointer to a C object, a description object,
and an optional destructor function. If the third argument is non-null,
then it will be called with the first and second arguments if and when
the PyCObject is destroyed.
*/
extern DL_IMPORT(PyObject *)
PyCObject_FromVoidPtrAndDesc(void *cobj, void *desc,
void (*destruct)(void*,void*));
/* Retrieve a pointer to a C object from a PyCObject. */
extern DL_IMPORT(void *)
PyCObject_AsVoidPtr(PyObject *);
/* Retrieve a pointer to a description object from a PyCObject. */
extern DL_IMPORT(void *)
PyCObject_GetDesc(PyObject *);
/* Import a pointer to a C object from a module using a PyCObject. */
extern DL_IMPORT(void *)
PyCObject_Import(char *module_name, char *cobject_name);
#ifdef __cplusplus
}
#endif
#endif /* !Py_COBJECT_H */
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