|  | /* Boolean object interface */ | 
|  |  | 
|  | #ifndef Py_BOOLOBJECT_H | 
|  | #define Py_BOOLOBJECT_H | 
|  | #ifdef __cplusplus | 
|  | extern "C" { | 
|  | #endif | 
|  |  | 
|  |  | 
|  | PyAPI_DATA(PyTypeObject) PyBool_Type; | 
|  |  | 
|  | #define PyBool_Check(x) Py_IS_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(struct _longobject) _Py_FalseStruct; | 
|  | PyAPI_DATA(struct _longobject) _Py_TrueStruct; | 
|  |  | 
|  | /* Use these macros */ | 
|  | #define Py_False ((PyObject *) &_Py_FalseStruct) | 
|  | #define Py_True ((PyObject *) &_Py_TrueStruct) | 
|  |  | 
|  | // Test if an object is the True singleton, the same as "x is True" in Python. | 
|  | PyAPI_FUNC(int) Py_IsTrue(PyObject *x); | 
|  | #define Py_IsTrue(x) Py_Is((x), Py_True) | 
|  |  | 
|  | // Test if an object is the False singleton, the same as "x is False" in Python. | 
|  | PyAPI_FUNC(int) Py_IsFalse(PyObject *x); | 
|  | #define Py_IsFalse(x) Py_Is((x), Py_False) | 
|  |  | 
|  | /* Macros for returning Py_True or Py_False, respectively */ | 
|  | #define Py_RETURN_TRUE return Py_NewRef(Py_True) | 
|  | #define Py_RETURN_FALSE return Py_NewRef(Py_False) | 
|  |  | 
|  | /* Function to return a bool from a C long */ | 
|  | PyAPI_FUNC(PyObject *) PyBool_FromLong(long); | 
|  |  | 
|  | #ifdef __cplusplus | 
|  | } | 
|  | #endif | 
|  | #endif /* !Py_BOOLOBJECT_H */ |