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27 <a name="boost_asio.reference.buffered_stream.flush.overload1"></a><a class="link" href="overload1.html" title="buffered_stream::flush (1 of 2 overloads)">buffered_stream::flush
28           (1 of 2 overloads)</a>
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30 <p>
31             Flush all data from the buffer to the next layer. Returns the number
32             of bytes written to the next layer on the last write operation. Throws
33             an exception on failure.
34           </p>
35 <pre class="programlisting"><span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <span class="identifier">flush</span><span class="special">();</span>
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