1jumptab (a)
2{
3  int b;
4  switch (a)
5    {
6    case 0:
7      b = 6;break;
8    case 1:
9      b = 5;break;
10    case 2:
11      b = 4;break;
12    case 3:
13      b = 3;break;
14    case 4:
15      b = 2;break;
16    case 5:
17      b = 1;break;
18    }
19  return b;
20}
21