读图像\Makefile
......\hello.dsw
......\lena.jpg
......\hello.ncb
......\hello.plg
......\hello.dsp
......\Debug\vc60.pdb
......\.....\hello.obj
......\.....\hello.exe
......\.....\hello.pdb
......\12.jpg
......\hello.c
......\hello.opt
......\Debug
读图像