ó V Qc@sQddlZddlTd ZdZd„Zd„Zd„Zd „ZeƒdS( iÿÿÿÿN(t*iPÃiicCsdttjƒdkrtƒntjddkr<tƒn$tjddkrYtƒntƒdS(Niis-ss-c(tlentsystargvtusagetservertclient(((s,/usr/lib64/python2.7/Demo/sockets/udpecho.pytmains   cCs'tjt_dGHdGHtjdƒdS(Ns,Usage: udpecho -s [port] (server)s,or: udpecho -c host [port] s