cessReadDevice &amp; d,
    uint64_t offset,
    const MutableBufferSequence &amp; buffers,
    CompletionCondition completion_condition,
    ReadHandler &amp;&amp; handler);
  <span class="emphasis"><em>&#187; <a class="link" href="async_read_at/overload2.html" title="async_read_at (2 of 4 overloads)">more...</a></em></span>

template&lt;
    typename <a class="link" href="AsyncRandomAccessReadDevice.html" title="Buffer-oriented asynchronous random-access read device requirements">AsyncRandomAccessReadDevi