IP adresinden bilgisayarın adının bulunması

[csyasar]

Kod: Tümünü seç

uses winsock;

function IPAddrToName(IPAddr : String): String;
var
  SockAddrIn: TSockAddrIn;
  HostEnt: PHostEnt;
  WSAData: TWSAData;
begin
  WSAStartup($101, WSAData);
  SockAddrIn.sin_addr.s_addr:= inet_addr(PChar(IPAddr));
  HostEnt:= gethostbyaddr(@SockAddrIn.sin_addr.S_addr, 4, AF_INET);
  if HostEnt<>nil then
  begin
    result:=StrPas(Hostent^.h_name)
  end
  else
  begin
    result:='';
  end;
end;

procedure TForm1.Button1Click(Sender: TObject);
begin
  label1.Caption:=IPAddrToName(edit1.text);
end;