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<a name="boost_asio.reference.read_at.overload7"></a><a class="link" href="overload7.html" title="read_at (7 of 8 overloads)">read_at (7
        of 8 overloads)</a>
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<p>
          Attempt to read a certain amount of data at the specified offset before
          returning.
        </p>
<pre class="