lass="special">&amp;</span> <span class="identifier">source</span><span class="special">,</span>
    <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <span class="identifier">max_bytes_to_copy</span><span class="special">);</span>
</pre>
<h6>
<a name="boost_asio.reference.buffer_copy.overload17.h0"></a>
          <span><a name="boost_asio.reference.buffer_copy.overload17.parameters"></a></span><a class="link" href="overload17.html#boost_asio.reference.