0132-forward.c (204B)
1 struct S *x; 2 struct S { 3 int i; 4 struct S *next; 5 }; 6 7 int 8 main(void) 9 { 10 struct S y, *p; 11 unsigned n; 12 13 y.i = 0; 14 y.next = 0; 15 x = &y; 16 *x = y; 17 18 for (n = 0, p = &y; p; ++n, p = p->next) 19 ; 20 return n-1; 21 }