alize the protothread state variables with PT_INIT(). */</span>
  <a class="code" href="a00014.html#ge6bae7dc0225468c8a5ac269df549892">PT_INIT</a>(&amp;pt1);
  <a class="code" href="a00014.html#ge6bae7dc0225468c8a5ac269df549892">PT_INIT</a>(&amp;pt2);
  
  <span class="comment">/*</span>
<span class="comment">   * Then we schedule the two protothreads by repeatedly calling their</span>
<span class="comment">   * protothread functions and passing a pointer to the protothread</span>
<span class="commen