assert(!is_removed(node));
} while (clear_flag(node));
/* Internal sanity check: all nodes left should be dummy */
for (i = 0; i < t->size; i++) {
assert(!is_removed(node));
} while (clear_flag(node));
/* Internal sanity check: all nodes left should be dummy */
for (i = 0; i < t->size; i++) {