cpython/Include/longobject.h

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


/* Long (arbitrary precision) integer object interface */

typedef struct _longobject PyLongObject; /* Revealed in longintrepr.h */

extern DL_IMPORT(PyTypeObject) PyLong_Type;

#define PyLong_Check(op) ((op)->ob_type == &PyLong_Type)

extern DL_IMPORT(PyObject *) PyLong_FromLong(long);
extern DL_IMPORT(PyObject *) PyLong_FromUnsignedLong(unsigned long);
extern DL_IMPORT(PyObject *) PyLong_FromDouble(double);
extern DL_IMPORT(long) PyLong_AsLong(PyObject *);
extern DL_IMPORT(unsigned long) PyLong_AsUnsignedLong(PyObject *);
extern DL_IMPORT(double) PyLong_AsDouble(PyObject *);
extern DL_IMPORT(PyObject *) PyLong_FromVoidPtr(void *);
extern DL_IMPORT(void *) PyLong_AsVoidPtr(PyObject *);

#ifdef HAVE_LONG_LONG

#ifdef HAVE_LIMITS_H
#include <limits.h>
#endif

/* Hopefully this is portable... */
#ifndef LONG_MAX
#define LONG_MAX 2147483647L
#endif
#ifndef ULONG_MAX
#define ULONG_MAX 4294967295U
#endif
#ifndef LONGLONG_MAX
#define LONGLONG_MAX 9223372036854775807LL
#endif
#ifndef ULONGLONG_MAX
#define ULONGLONG_MAX 0xffffffffffffffffULL
#endif

extern DL_IMPORT(PyObject *) PyLong_FromLongLong(LONG_LONG);
extern DL_IMPORT(PyObject *) PyLong_FromUnsignedLongLong(unsigned LONG_LONG);
extern DL_IMPORT(LONG_LONG) PyLong_AsLongLong(PyObject *);
extern DL_IMPORT(unsigned LONG_LONG) PyLong_AsUnsignedLongLong(PyObject *);
#endif /* HAVE_LONG_LONG */

DL_IMPORT(PyObject *) PyLong_FromString(char *, char **, int);
DL_IMPORT(PyObject *) PyLong_FromUnicode(Py_UNICODE*, int, int);

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