ng_function_return_type.html" title="Automatic deduction of initiating function return type"><span class="emphasis"><em>DEDUCED</em></span></a> async_send(
    const ConstBufferSequence &amp; buffers,
    socket_base::message_flags flags,
    WriteHandler &amp;&amp; handler);
</pre>
<p>
            This function is used to send data on the raw socket. The function call
            will block until the data has been sent successfully or an error occurs.
          </p>
<h6>
<a name="boost_asio.reference.basic