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#ifndef Py_CPYTHON_TUPLEOBJECT_H 
#  error "this header file must not be included directly" 
#endif 
 
#ifdef __cplusplus 
extern "C" { 
#endif 
 
typedef struct { 
    PyObject_VAR_HEAD 
    /* ob_item contains space for 'ob_size' elements. 
       Items must normally not be NULL, except during construction when 
       the tuple is not yet visible outside the function that builds it. */ 
    PyObject *ob_item[1]; 
} PyTupleObject; 
 
PyAPI_FUNC(int) _PyTuple_Resize(PyObject **, Py_ssize_t); 
PyAPI_FUNC(void) _PyTuple_MaybeUntrack(PyObject *); 
 
/* Macros trading safety for speed */ 
 
/* Cast argument to PyTupleObject* type. */ 
#define _PyTuple_CAST(op) (assert(PyTuple_Check(op)), (PyTupleObject *)(op)) 
 
#define PyTuple_GET_SIZE(op)    Py_SIZE(_PyTuple_CAST(op)) 
 
#define PyTuple_GET_ITEM(op, i) (_PyTuple_CAST(op)->ob_item[i]) 
 
/* Macro, *only* to be used to fill in brand new tuples */ 
#define PyTuple_SET_ITEM(op, i, v) (_PyTuple_CAST(op)->ob_item[i] = v) 
 
PyAPI_FUNC(void) _PyTuple_DebugMallocStats(FILE *out); 
 
#ifdef __cplusplus 
} 
#endif