时钟
....\clock.cpp
....\clock.dsp
....\clock.dsw
....\clock.ncb
....\clock.opt
....\clock.plg
....\Debug
....\.....\clock.bsc
....\.....\clock.exe
....\.....\clock.ilk
....\.....\clock.obj
....\.....\clock.pch
....\.....\clock.pdb
....\.....\clock.sbr
....\.....\vc60.idb
....\.....\vc60.pdb