这是一个用C语言写的火车票订购系统：它包括订票人信息、初始界面、增加火车的信息、打印火车票信息、查询火车信息、订票子模块、修改火车信息、保存火车票信息、保存订票人信息等。-This is a language is written in C train ticket ordering system: it includes booking people information, initial interface, increase the train ticket information, information and print the train tickets, book information query module, modify the train information, save train ticket information, save booking people information, etc.