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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 PyAPI_DATA(PyTypeObject) PyBool_Type;
     11 
     12 #define PyBool_Check(x) (Py_TYPE(x) == &PyBool_Type)
     13 
     14 /* Py_False and Py_True are the only two bools in existence.
     15 Don't forget to apply Py_INCREF() when returning either!!! */
     16 
     17 /* Don't use these directly */
     18 PyAPI_DATA(struct _longobject) _Py_FalseStruct, _Py_TrueStruct;
     19 
     20 /* Use these macros */
     21 #define Py_False ((PyObject *) &_Py_FalseStruct)
     22 #define Py_True ((PyObject *) &_Py_TrueStruct)
     23 
     24 /* Macros for returning Py_True or Py_False, respectively */
     25 #define Py_RETURN_TRUE return Py_INCREF(Py_True), Py_True
     26 #define Py_RETURN_FALSE return Py_INCREF(Py_False), Py_False
     27 
     28 /* Function to return a bool from a C long */
     29 PyAPI_FUNC(PyObject *) PyBool_FromLong(long);
     30 
     31 #ifdef __cplusplus
     32 }
     33 #endif
     34 #endif /* !Py_BOOLOBJECT_H */
     35