1extern int abs (int);
2extern void abort (void);
3
4void
5check (int *p)
6{
7  int i;
8  for (i = 0; i < 5; ++i)
9    if (p[i])
10      abort ();
11  for (; i < 10; ++i)
12    if (p[i] != i + 1)
13      abort ();
14}
15
16int
17main (void)
18{
19  int a[10] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
20  int i;
21
22  for (i = -5; i < 0; i++)
23    a[abs (i - 10) - 11] = 0;
24  check (a);
25  return 0;
26}
27