File list (Check if you may need any files):
超市商品管理系统
................\1.txt
................\2.txt
................\a.out
................\client.c
................\client.c~
................\client.h~
................\common.h~
................\gethostbyname.c~
................\main.c
................\main.c~
................\server.c
................\server.c~
................\server.h~
................\student.c
................\student.h
................\teacher.c
................\teacher.c~
................\teacher.h