my_project\common.h
my_project\main
my_project\main.c
my_project\Makefile
my_project\menu.c
my_project\menu.h
my_project\stu.c
my_project\stu.h
my_project\stu.txt
my_project\tea.txt
my_project\teacher.c
my_project\teacher.h
my_project