agl_node *agl_router_make_prerouting (struct userdata *, agl_node *);
void agl_router_make_routing (struct userdata *);
void implement_default_route (struct userdata *, agl_node *, agl_node *, uint32_t);
agl_node *find_default_route (struct userdata *, agl_node *, uint32_t);
agl_node *agl_router_make_prerouting (struct userdata *, agl_node *);
void agl_router_make_routing (struct userdata *);
void implement_default_route (struct userdata *, agl_node *, agl_node *, uint32_t);
agl_node *find_default_route (struct userdata *, agl_node *, uint32_t);