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_IS_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(PyLongObject) _Py_FalseStruct;
      19  PyAPI_DATA(PyLongObject) _Py_TrueStruct;
      20  
      21  /* Use these macros */
      22  #define Py_False ((PyObject *) &_Py_FalseStruct)
      23  #define Py_True ((PyObject *) &_Py_TrueStruct)
      24  
      25  // Test if an object is the True singleton, the same as "x is True" in Python.
      26  PyAPI_FUNC(int) Py_IsTrue(PyObject *x);
      27  #define Py_IsTrue(x) Py_Is((x), Py_True)
      28  
      29  // Test if an object is the False singleton, the same as "x is False" in Python.
      30  PyAPI_FUNC(int) Py_IsFalse(PyObject *x);
      31  #define Py_IsFalse(x) Py_Is((x), Py_False)
      32  
      33  /* Macros for returning Py_True or Py_False, respectively */
      34  #define Py_RETURN_TRUE return Py_NewRef(Py_True)
      35  #define Py_RETURN_FALSE return Py_NewRef(Py_False)
      36  
      37  /* Function to return a bool from a C long */
      38  PyAPI_FUNC(PyObject *) PyBool_FromLong(long);
      39  
      40  #ifdef __cplusplus
      41  }
      42  #endif
      43  #endif /* !Py_BOOLOBJECT_H */