我大一时候做的一个C语言课程设计，海外信息管理系统，文本菜单界面，十字交叉链表存储。不过在程序健壮性方面可能还有些问题。-When I do a freshman C language curriculum design, overseas information management systems, text menu interface, criss-cross linked list is stored. However, the robustness aspects of the pr