ad20.h1"></a>
          <span><a name="boost_asio.reference.buffer_copy.overload20.return_value"></a></span><a class="link" href="overload20.html#boost_asio.reference.buffer_copy.overload20.return_value">Return
          Value</a>
        </h6>
<p>
          The number of bytes copied.
        </p>
<h6>
<a name="boost_asio.reference.buffer_copy.overload20.h2"></a>
          <span><a name="boost_asio.reference.buffer_copy.overload20.remarks"></a></span><a class="link" href="overload20.html#boost_asio.referen