Mixing cout statements with fprintf statements in the same code

Mixing cout statements with fprintf statements in the same code

Is it reliable to mix cout statements withfprintf statements in the same C++ code ifcout.sync_with_stdio() is used? Does thiscreate one single buffered file I/O stream?

In general, there is no problem using fprintf and cout together in the sameprogram. The function ios::sync_with_stdio is not standard to the C++ languagestreams library and is defined by a few PC platforms. Calling this function changes implementations of the predefined objects like cout cin cerr to usea stdiobuf instead of a filebuf.

There will be some perfomance degradation, because both the stdio and streambuf willbe buffering the output.

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