complete.
                A non-zero return value indicates the maximum number of bytes to
                be read on the next call to the stream's read_some function.
              </p>
</dd>
<dt><span class="term">ec</span></dt>
<dd><p>
                Set to indicate what error occurred, if any.
              </p></dd>
</dl>
</div>
<h6>
<a name="boost_asio.reference.read.overload8.h1"></a>
          <span><a name="boost_asio.reference.read.overload8.return_value"></a></span><a class="link" href="overload