#ifndef Py_MEMORYOBJECT_H

#define Py_MEMORYOBJECT_H

#ifdef __cplusplus

extern "C" {

#ifndef Py_LIMITED_API

PyAPI_DATA(PyTypeObject) _PyManagedBuffer_Type;

PyAPI_DATA(PyTypeObject) PyMemoryView_Type;

#define PyMemoryView_Check(op) (Py_TYPE(op) == &PyMemoryView_Type)

#ifndef Py_LIMITED_API

#define PyMemoryView_GET_BUFFER(op) (&((PyMemoryViewObject *)(op))->view)

#define PyMemoryView_GET_BASE(op) (((PyMemoryViewObject *)(op))->view.obj)

PyAPI_FUNC(PyObject *) PyMemoryView_FromObject(PyObject *base);

#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000

PyAPI_FUNC(PyObject *) PyMemoryView_FromMemory(char *mem, Py_ssize_t size,

int flags);

#ifndef Py_LIMITED_API

PyAPI_FUNC(PyObject *) PyMemoryView_FromBuffer(Py_buffer *info);

PyAPI_FUNC(PyObject *) PyMemoryView_GetContiguous(PyObject *base,

int buffertype,

char order);

#ifndef Py_LIMITED_API

#define _Py_MANAGED_BUFFER_RELEASED 0x001 /* access to exporter blocked */

#define _Py_MANAGED_BUFFER_FREE_FORMAT 0x002 /* free format */

typedef struct {

PyObject_HEAD

int flags; /* state flags */

Py_ssize_t exports; /* number of direct memoryview exports */

Py_buffer master; /* snapshot buffer obtained from the original exporter */

} _PyManagedBufferObject;

#define _Py_MEMORYVIEW_RELEASED 0x001 /* access to master buffer blocked */

#define _Py_MEMORYVIEW_C 0x002 /* C-contiguous layout */

#define _Py_MEMORYVIEW_FORTRAN 0x004 /* Fortran contiguous layout */

#define _Py_MEMORYVIEW_SCALAR 0x008 /* scalar: ndim = 0 */

#define _Py_MEMORYVIEW_PIL 0x010 /* PIL-style layout */

typedef struct {

PyObject_VAR_HEAD

_PyManagedBufferObject *mbuf; /* managed buffer */

Py_hash_t hash; /* hash value for read-only views */

int flags; /* state flags */

Py_ssize_t exports; /* number of buffer re-exports */

Py_buffer view; /* private copy of the exporter's view */

PyObject *weakreflist;

Py_ssize_t ob_array[1]; /* shape, strides, suboffsets */

} PyMemoryViewObject;

#ifdef __cplusplus

}

#endif /* !Py_MEMORYOBJECT_H */