Description: Air ticketing systems, the list structure to save information to achieve order, query, sorting function
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File list (Check if you may need any files):
新建文件夹\Add.c
..........\Choose.c
..........\Delete.c
..........\Desktop_1.ini
..........\DisReport.c
..........\DisSale.c
..........\Free.c
..........\item.dat
..........\LoadInfo.c
..........\LoadSale.c
..........\main
..........\main.c
..........\Record.c
..........\sales.dat
..........\SaveInfo.c
..........\SaveSale.c
..........\ShowMenu.c
..........\struct.h
新建文件夹