1typedef int xtype;
2
3foo (p, pc)
4     xtype *p;
5     char *pc;
6{
7  xtype a;
8  unsigned b = 0;
9
10  a = *p;
11  p[1] = a;
12  if ((unsigned) p[1] > 0)
13    return 1;
14  return a;
15}
16