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  TIMER_RESTART

  .  Summary

  timer_restart(int <thandle>, int <time>);

  .  Description

  The timer functions are used to set and keep track of a timer vari-
  able.

  The timer_restart function performs the same things as timer_start,
  except that it restarts an existing timer, represented by timer han-
  dle <thandle>.

  .  Return Value

  timer_restart does not return any significant value.

  .  Example

  int t;

  t = timer_start(100);    // delay for 10 seconds
  while (!time_up(t))
   ;
  timer_free(t);

  // start a timer and loop forever, printing the elapsed time
  // in tenths of seconds
  t = timer_start(0);
  while (1)
   {
    printn(timer_total(t));
    prints("");
   }