1extern void abort (void);
2extern void exit (int);
3
4union iso_directory_record {
5   char carr[4];
6   struct {
7           unsigned char name_len [1];
8           char name [0];
9   } u;
10} entry;
11
12void set(union iso_directory_record *);
13
14int main (void)
15{
16   union iso_directory_record *de;
17
18   de = &entry;
19   set(de);
20
21   if (de->u.name_len[0] == 1 && de->u.name[0] == 0)
22     exit (0);
23   else
24     abort ();
25}
26
27void set (union iso_directory_record *p)
28{
29   p->carr[0] = 1;
30   p->carr[1] = 0;
31   return;
32}
33