Mega Code Archive
How to get the own IP Address
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Title: How to get the own IP Address
uses
Winsock;
{...}
function getIPs: Tstrings;
type
TaPInAddr = array[0..10] of PInAddr;
PaPInAddr = ^TaPInAddr;
var
phe: PHostEnt;
pptr: PaPInAddr;
Buffer: array[0..63] of Char;
I: Integer;
GInitData: TWSAData;
begin
WSAStartup($101, GInitData);
Result := TstringList.Create;
Result.Clear;
GetHostName(Buffer, SizeOf(Buffer));
phe := GetHostByName(buffer);
if phe = nil then Exit;
pPtr := PaPInAddr(phe^.h_addr_list);
I := 0;
while pPtr^[I] nil do
begin
Result.Add(inet_ntoa(pptr^[I]^));
Inc(I);
end;
WSACleanup;
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
Memo1.Lines := GetIps;
end;
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