n id='bold'>var</span>&nbsp;<span id='identifier'>arrCh</span>&nbsp;: <span id='bold'>array</span>&nbsp;[<span id='number'>0</span>..<span id='number'>8</span>] <span id='bold'>of</span>&nbsp;<span id='identifier'>char</span>;<br>
                  <span id='bold'>begin</span><br>
                  &nbsp;&nbsp;<span id='comment'>// this function will be called from several processes, so we can't use</span><br>
                  &nbsp;&nbsp;<span id='comment'>// any vars, functions or consts that are only ac