libpq-notify.html" title="34.9. Asynchronous Notification">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="libpq.html" title="Chapter 34. libpq — C Library">Up</a></td><th width="60%" align="center">Chapter 34. <span class="application">libpq</span> — C Library</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 16.4 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="libpq-control.html" title="34.11. Control Func