pipe\display.cpp ....\display.h ....\golden.log ....\main.cpp ....\Makefile.am ....\Makefile.in ....\numgen.cpp ....\numgen.h ....\pipe.ncb ....\pipe.sln ....\pipe.suo ....\pipe.vcproj ....\pipe.vcproj.ACER-D56CA9A39D.zhou.user ....\README ....\stage1.cpp ....\stage1.h ....\stage2.cpp ....\stage2.h ....\stage3.cpp ....\stage3.h pipe