1   int count;
       2  
       3   int func(int *valp) {
       4     int val, locked = 0;
       5  
       6     while ((val = *valp) != 0) {
       7       if (count) {
       8         if (count)
       9           locked = 1;
      10         else
      11           locked = 1;
      12  
      13       if (!locked)
      14         continue;
      15       }
      16  
      17       if (!count)
      18         count--;
      19  
      20       break;
      21     }
      22  
      23     return val;
      24   }