1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
struct F { int i; }; void f1(struct F *x, struct F *y) { int timeout = 0; for (; ((const struct F*)x)->i < y->i ; x->i++) if (++timeout > 5) abort (); } main() { struct F x, y; x.i = 0; y.i = 1; f1 (&x, &y); exit (0); }