赋值与赋地址
............\12.c
............\13121.dsp
............\13121.dsw
............\13121.ncb
............\13121.opt
............\13121.plg
............\Debug
............\.....\12.obj
............\.....\13121.ilk
............\.....\13121.pch
............\.....\13121.pdb
............\.....\vc60.idb
............\.....\vc60.pdb