例3-6 .....\cvcam.c .....\cvcam.dsp .....\cvcam.dsw .....\cvcam.ncb .....\cvcam.opt .....\cvcam.plg .....\Debug .....\.....\cvcam.exe .....\.....\cvcam.ilk .....\.....\cvcam.obj .....\.....\cvcam.pch .....\.....\cvcam.pdb .....\.....\vc60.idb .....\.....\vc60.pdb