a></td></tr></table><hr /></div><div class="sect1" id="EVENT-TRIGGER-INTERFACE"><div class="titlepage"><div><div><h2 class="title" style="clear: both">40.3. Writing Event Trigger Functions in C <a href="#EVENT-TRIGGER-INTERFACE" class="id_link">#</a></h2></div></div></div><a id="id-1.8.5.7.2" class="indexterm"></a><p>
    This section describes the low-level details of the interface to an
    event trigger function. This information is only needed when writing
    event trigger functions in C. If you are u