match_leaf_t
int skip, match_leaf_t *rn_leaf_fn, void *rn_leaf_arg);
match_leaf_t *rn_leaf_fn;
match_leaf_t *rn_leaf_fn;
*rn_match_args(void *, struct radix_node_head *, match_leaf_t *,
match_leaf_t *f, void *w);