string类\Debug\main.exe
........\.....\main.ilk
........\.....\main.obj
........\.....\main.pch
........\.....\main.pdb
........\.....\mystring.exe
........\.....\mystring.ilk
........\.....\mystring.obj
........\.....\mystring.pch
........\.....\mystring.pdb
........\.....\vc60.idb
........\.....\vc60.pdb
........\main.cpp
........\main.dsp
........\main.ncb
........\main.opt
........\main.plg
........\mystring.cpp
........\mystring.dsp
........\mystring.dsw
........\mystring.h
........\mystring.ncb
........\mystring.opt
........\mystring.plg
........\Debug
string类