1  c_move_tst (char b)
       2  {
       3    char a;
       4  
       5    a = b;
       6    b = 'b';
       7    foo (a);
       8    foo (b);
       9    foo (a);
      10    bar (a, b);
      11    b = a;
      12    if (b == 0)
      13      a++;
      14    return a + b;
      15  }