餐厅预订管理的设计与实现.系统设计，包括内存数据结构设计、数据文件设计、代码设计、输入/输出设计、用户界面设计、处理过程设计。要求内存数据用链表组织，数据文件用文本文件，用户界面用字符界面。至少实现数据记录的增加、修改、删除、查询（查询应能按不同数据项进行）。-Restaurant reservations management design and implementation. System design, including memory data structure design, data document design, code design, input/output design, user interface design, process design. Organizations with the linked list memory data requirements, data file with a text file, the user interface with a character interface. Data records at least add, modify, delete, query (query should be able to different data items).