The QDataStream class provides basic functions for serialization of binary data to a QIODevice . ... QDataStream&  operator>>  ( Q_INT8 & i )  . ... A data stream is a binary stream of encoded information which is 100% independent of the host computer operation system, CPU or byte order. ... Constructs a data stream that uses the IO device d. Destroys the data stream. ... Writes a signed 16-bit integer to the stream and returns a reference to the stream. ... Returns a reference to the stream. ...