system
......\adfunc.c
......\adfunc.h
......\adfunc.o
......\main.c
......\main.h
......\main.o
......\makefile
......\student.txt
......\stufunc.c
......\stufunc.h
......\stufunc.o
......\system
......\tools.c
......\tools.h
......\tools.o
......\welcome.c
......\welcome.h
......\welcome.o