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/opt/alt/python311/include/python3.11/cpython/

//opt/alt/python311/include/python3.11/cpython/fileutils.h

 #ifndef Py_CPYTHON_FILEUTILS_H
#  error "this header file must not be included directly"
#endif

// Used by _testcapi which must not use the internal C API
PyAPI_FUNC(FILE*) _Py_fopen_obj(
    PyObject *path,
    const char *mode);