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istream::sync

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int sync();

Synchronizes the stream’s internal buffer with the external source of characters.

Return Value

EOF to indicate errors.

Remarks

Synchronizes the stream’s internal buffer with the external source of characters. This function calls the virtual streambuf::sync function so you can customize its implementation by deriving a new class from streambuf.

istream Overview |  Input Stream Classes

See Also   streambuf::sync