基于纯C 编写的航空订票系统，佩服佩服一下，有很多未知的答案等待通过本程序来解答，纯C能实现航空订票系统么？在下不才，期盼高手解开谜团。 -Written in pure C-based airline reservation system, admire admire what it has to wait for a lot of unknown answers to answer through this process, pure C to achieve airline reser