UDP_echo
........\client
........\client.exe
........\......\client.cpp
........\......\client.dsp
........\......\client.dsw
........\......\client.ncb
........\......\client.opt
........\......\client.plg
........\server.exe
........\sever
........\.....\server.cpp
........\.....\server.dsp
........\.....\server.dsw
........\.....\server.ncb
........\.....\server.opt
........\.....\server.plg