{</span><br
 style="font-family: Courier New,Courier,monospace;">
      <span style="font-family: Courier New,Courier,monospace;">&nbsp;
edge = edge-&gt;next();</span><br
 style="font-family: Courier New,Courier,monospace;">
      <span style="font-family: Courier New,Courier,monospace;">&nbsp;
// Do smth. with edge.</span><br
 style="font-family: Courier New,Courier,monospace;">
      <span style="font-family: Courier New,Courier,monospace;">} while
(edge != cell-&gt;incident_edge());</span><br>
      <h1>