Finally, we'll mark the end of the protothread.</span>
<span class="comment">   */</span>
  <a class="code" href="a00014.html#g7b04a0035bef29d905496c23bae066d2">PT_END</a>(pt);
}
<span class="comment">/*---------------------------------------------------------------------------*/</span>
<span class="comment">/*</span>
<span class="comment"> * This is the second protothread in this example. It implements a</span>
<span class="comment"> * simulated user pressing the keys. This illustrates how a linear<