通過(guò)機(jī)器名得到IP地址

function procedure TForm1.nametoip(name:string):string;
var
  WSAData: TWSAData;
  HostEnt: PHostEnt;
begin
  result:='';
  WSAStartup(2, WSAData);
  HostEnt := gethostbyname(PChar(name));
  if HostEnt <> nil then
  begin
    with HostEnt^ do
     result:= Format('%d.%d.%d.%d', [Byte(h_addr^[0]), Byte(h_addr^[1]), Byte(h_addr^[2]), Byte(h_addr^[3])]);
    end;
    WSACleanup;
end;