for a subsequent read_until
          operation to examine.
        </p>
<h6>
<a name="boost_asio.reference.read_until.overload3.h3"></a>
          <span class="phrase"><a name="boost_asio.reference.read_until.overload3.example"></a></span><a class="link" href="overload3.html#boost_asio.reference.read_until.overload3.example">Example</a>
        </h6>
<p>
          To read data into a <code class="computeroutput">std::string</code> until a CR-LF sequence is
          encountered:
        </p>
<pre class="pr