let p = head; // 遍历链表的指针
By pushing side effects to the edges and keeping our core logic pure, we gain a deterministic and secure execution trace. As a result, debugging shifts from guessing what might have happened to watching exactly what did happen, all without compromising user privacy.。关于这个话题，同城约会提供了深入分析
void *q = page_alloc(PAGESZ);，详情可参考雷电模拟器官方版本下载
Credit: The Pokémon Company