File list (Check if you may need any files):
非常重要以此为基础进行修改例4-2\Debug\dft.exe
...............................\.....\dft.ilk
...............................\.....\dft.obj
...............................\.....\dft.pch
...............................\.....\dft.pdb
...............................\.....\vc60.idb
...............................\.....\vc60.pdb
...............................\dft.c
...............................\dft.dsp
...............................\dft.dsw
...............................\dft.ncb
...............................\dft.opt
...............................\dft.plg
...............................\lena.jpg
...............................\Makefile
...............................\Debug
非常重要以此为基础进行修改例4-2