Add const to fib_init()

void fib_free(struct fib *);		/* Destroy the fib */

void fib_check(struct fib *);		/* Consistency check for debugging */

void fit_init(struct fib_iterator *, struct fib *); /* Internal functions, don't call */

void fit_init(struct fib_iterator *, const struct fib *); /* Internal functions, don't call */

struct fib_node *fit_get(struct fib *, struct fib_iterator *);

void fit_put(struct fib_iterator *, struct fib_node *);

void fit_put_next(struct fib *f, struct fib_iterator *i, struct fib_node *n, uint hpos);

}

void

fit_init(struct fib_iterator *i, struct fib *f)

fit_init(struct fib_iterator *i, const struct fib *f)

{

  unsigned h;

  struct fib_node *n;