1struct s {long a; int b;};
2
3int foo(int x, void *y)
4{
5  switch(x) {
6    case 0: return ((struct s*)y)->a;
7    case 1: return *(signed char*)y;
8    case 2: return *(short*)y;
9  }
10  abort();
11}
12
13int main ()
14{
15  struct s s;
16  short sh[10];
17  signed char c[10];
18  int i;
19
20  s.a = 1;
21  s.b = 2;
22  for (i = 0; i < 10; i++) {
23    sh[i] = i;
24    c[i] = i;
25  }
26
27  if (foo(0, &s) != 1) abort();
28  if (foo(1, c+3) != 3) abort();
29  if (foo(2, sh+3) != 3) abort();
30  exit(0);
31}
32