>int32_t</td>
<td>event</td>
<td><p class="first">The event, one of</p>
<blockquote class="last">
<ul class="simple">
<li>none = 0</li>
<li>completed = 1</li>
<li>started = 2</li>
<li>stopped = 3</li>
</ul>
</blockquote>
</td>
</tr>
<tr><td>uint32_t</td>
<td>ip</td>
<td>Your ip address. Set to 0 if you want
the tracker to use the <tt class="docutils literal">sender</tt> of
this UDP packet.</td>
</tr>
<tr><td>uint32_t</td>
<td>key</td>
<td>A unique key that is randomized by the
client.</td>
</tr>
<tr><td>int