de>
       response, the
       application should call <a class="xref" href="libpq-async.html#LIBPQ-PQCONSUMEINPUT"><code class="function">PQconsumeInput</code>
     </a> and
       <a class="xref" href="libpq-copy.html#LIBPQ-PQGETLINEASYNC"><code class="function">PQgetlineAsync</code></a> until the
       end-of-data signal is detected.
       </p><p>
       Unlike <a class="xref" href="libpq-copy.html#LIBPQ-PQGETLINE"><code class="function">PQgetline</code></a>, this function takes
       responsibility 