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std::basic_filebuf::sync(3) C++ Standard Libary std::basic_filebuf::sync(3) NAME std::basic_filebuf::sync - std::basic_filebuf::sync Synopsis protected: virtual int sync() If a put area exists (e.g. the file was opened for writing), calls overflow() to write all pending output to the file, then flushes the file as if by calling std::fflush. If a get area exists (e.g. the file was opened for reading), the ef- fect is implementation-defined. Typical implementation may empty out the get area and move the current file position back by the corresponding number of bytes. Parameters (none) Return value 0 in case of success, -1 in case of failure. Notes sync() or its equivalent is implicitly called for output streams by close(), seekoff(), and seekpos() and explicitly called by std::basic_stream- buf::pubsync() Example This section is incomplete Reason: no example See also pubsync invokes sync() (public member function of std::basic_stream- buf<CharT,Traits>) fflush synchronizes an output stream with the actual file (function) http://cppreference.com 2022.07.31 std::basic_filebuf::sync(3)
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