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      1 /* Boolean object interface */
      2 
      3 #ifndef Py_BOOLOBJECT_H
      4 #define Py_BOOLOBJECT_H
      5 #ifdef __cplusplus
      6 extern "C" {
      7 #endif
      8 
      9 
     10 typedef PyIntObject PyBoolObject;
     11 
     12 PyAPI_DATA(PyTypeObject) PyBool_Type;
     13 
     14 #define PyBool_Check(x) (Py_TYPE(x) == &PyBool_Type)
     15 
     16 /* Py_False and Py_True are the only two bools in existence.
     17 Don't forget to apply Py_INCREF() when returning either!!! */
     18 
     19 /* Don't use these directly */
     20 PyAPI_DATA(PyIntObject) _Py_ZeroStruct, _Py_TrueStruct;
     21 
     22 /* Use these macros */
     23 #define Py_False ((PyObject *) &_Py_ZeroStruct)
     24 #define Py_True ((PyObject *) &_Py_TrueStruct)
     25 
     26 /* Macros for returning Py_True or Py_False, respectively */
     27 #define Py_RETURN_TRUE return Py_INCREF(Py_True), Py_True
     28 #define Py_RETURN_FALSE return Py_INCREF(Py_False), Py_False
     29 
     30 /* Function to return a bool from a C long */
     31 PyAPI_FUNC(PyObject *) PyBool_FromLong(long);
     32 
     33 #ifdef __cplusplus
     34 }
     35 #endif
     36 #endif /* !Py_BOOLOBJECT_H */
     37