使用c语言设计的餐厅点菜系统。分为管理模式和顾客模式，其中管理模式可以修改，删除，添加，结算。顾客模式可以点餐，退餐，投诉建议，查询消费。-Use c language designed restaurant a la carte system. Into management mode and customer mode in which management can be modified, deleted, added, settlement. Customers ordering mod