</div></div>
<p>
          <span class="emphasis"><em>Inherited from ip::resolver_base.</em></span>
        </p>
<p>
          <a class="indexterm" name="boost_asio.indexterm.ip__basic_resolver_query.v4_mapped"></a> 
If
          the query protocol family is specified as IPv6, return IPv4-mapped IPv6
          addresses on finding no IPv6 addresses.
        </p>
<pre class="programlisting">static const flags v4_mapped = implementation_defined;
</pre>
</div>
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