edge_t *candidate = NULL;
for splay_each(edge_t, e, &n->edge_tree) {
edge_t *candidate = NULL;
for splay_each(edge_t, e, &n->edge_tree) {
edge_t *candidate = NULL;
for splay_each(edge_t, e, &n->edge_tree) {
edge_t *candidate = NULL;
for splay_each(edge_t, e, &n->edge_tree) {