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by Joker_vD
141 days ago
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There are still I/O libraries that play with read/write buffers really fast & dirty, which C standard explicitly allows for with its "However, output shall not be directly followed by input without an intervening call to the fflush function or to a file positioning function (fseek, fsetpos, or rewind), and input shall not be directly followed by output without an intervening call to a file positioning function, unless the input operation encounters end-of-file" wording. |
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