ine correctly (and does not, for example, mistake the end of a
       long data line for a terminator line).
      </p></dd><dt id="LIBPQ-PQGETLINEASYNC"><span class="term"><code class="function">PQgetlineAsync</code><a id="id-1.7.3.17.10.3.2.1.2" class="indexterm"></a></span> <a href="#LIBPQ-PQGETLINEASYNC" class="id_link">#</a></dt><dd><p>
       Reads a row of <code class="command">COPY</code> data (transmitted  by the
       server) into a buffer without blocking.
</p><pre class="synopsis">
int PQgetlin