1static void *self(void *p){ return p; }
2
3int
4f()
5{
6  struct { int i; } s, *sp;
7  int *ip = &s.i;
8
9  s.i = 1;
10  sp = self(&s);
11
12  *ip = 0;
13  return sp->i+1;
14}
15
16main()
17{
18  if (f () != 1)
19    abort ();
20  else
21    exit (0);
22}
23