|  | /* Boolean object interface */ | 
|  |  | 
|  | #ifndef Py_BOOLOBJECT_H | 
|  | #define Py_BOOLOBJECT_H | 
|  | #ifdef __cplusplus | 
|  | extern "C" { | 
|  | #endif | 
|  |  | 
|  |  | 
|  | typedef PyIntObject PyBoolObject; | 
|  |  | 
|  | PyAPI_DATA(PyTypeObject) PyBool_Type; | 
|  |  | 
|  | #define PyBool_Check(x) (Py_TYPE(x) == &PyBool_Type) | 
|  |  | 
|  | /* Py_False and Py_True are the only two bools in existence. | 
|  | Don't forget to apply Py_INCREF() when returning either!!! */ | 
|  |  | 
|  | /* Don't use these directly */ | 
|  | PyAPI_DATA(PyIntObject) _Py_ZeroStruct, _Py_TrueStruct; | 
|  |  | 
|  | /* Use these macros */ | 
|  | #define Py_False ((PyObject *) &_Py_ZeroStruct) | 
|  | #define Py_True ((PyObject *) &_Py_TrueStruct) | 
|  |  | 
|  | /* Macros for returning Py_True or Py_False, respectively */ | 
|  | #define Py_RETURN_TRUE return Py_INCREF(Py_True), Py_True | 
|  | #define Py_RETURN_FALSE return Py_INCREF(Py_False), Py_False | 
|  |  | 
|  | /* Function to return a bool from a C long */ | 
|  | PyAPI_FUNC(PyObject *) PyBool_FromLong(long); | 
|  |  | 
|  | #ifdef __cplusplus | 
|  | } | 
|  | #endif | 
|  | #endif /* !Py_BOOLOBJECT_H */ |