#ifndef Py_CPYTHON_BYTEARRAYOBJECT_H

# error "this header file must not be included directly"

typedef struct {

PyObject_VAR_HEAD

Py_ssize_t ob_alloc; /* How many bytes allocated in ob_bytes */

char *ob_bytes; /* Physical backing buffer */

char *ob_start; /* Logical start inside ob_bytes */

Py_ssize_t ob_exports; /* How many buffer exports */

} PyByteArrayObject;

PyAPI_DATA(char) _PyByteArray_empty_string[];

#define _PyByteArray_CAST(op) \

(assert(PyByteArray_Check(op)), _Py_CAST(PyByteArrayObject*, op))

static inline char* PyByteArray_AS_STRING(PyObject *op)

{

PyByteArrayObject *self = _PyByteArray_CAST(op);

if (Py_SIZE(self)) {

return self->ob_start;

}

return _PyByteArray_empty_string;

}

#define PyByteArray_AS_STRING(self) PyByteArray_AS_STRING(_PyObject_CAST(self))

static inline Py_ssize_t PyByteArray_GET_SIZE(PyObject *op) {

PyByteArrayObject *self = _PyByteArray_CAST(op);

#ifdef Py_GIL_DISABLED

return _Py_atomic_load_ssize_relaxed(&(_PyVarObject_CAST(self)->ob_size));

return Py_SIZE(self);

}

#define PyByteArray_GET_SIZE(self) PyByteArray_GET_SIZE(_PyObject_CAST(self))