なおらないです　どうすればいいですか?

GET /test/read.cgi/livemarket2/1202634378/ HTTP/1.1
Accept: */*
Referer: http://live27.2ch.net/
Accept-Language: ja
Host: live27.2ch.net
Connection: Keep-Alive

HTTP/1.1 400 Bad Request

ソース
buf="GET " + ko+ " HTTP/1.1\r\n\r\n";
cout<<buf; n=send(sock, buf.c_str(), buf.size(), 0);
buf="Accept: */*\r\n\r\n";
cout<<buf; n=send(sock, buf.c_str(), buf.size(), 0);
buf="Referer: http://"+sev+"/"+"\r\n\r\n";;
cout<<buf; n=send(sock, buf.c_str(), buf.size(), 0);
buf="Accept-Language: ja\r\n\r\n";
cout<<buf; n=send(sock, buf.c_str(), buf.size(), 0);
buf="Host: "+sev+"\r\n\r\n";
cout<<buf; n=send(sock, buf.c_str(), buf.size(), 0);
buf="Connection: Keep-Alive\r\n\r\n";
cout<<buf; n=send(sock, buf.c_str(), buf.size(), 0);