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function LocalIP: string;
TaPInAddr = array [0..10] of PInAddr;
PaPInAddr = ^TaPInAddr;
Buffer: array [0..63] of Ansichar;
Result := '';
phe := GetHostByName(Buffer);
if phe = nil then
pptr := PaPInAddr(phe^.h_addr_list);
i := 0;
while pptr^[i] <> nil do
Result := StrPas(inet_ntoa(pptr^[i]^));
procedure TForm1.Button1Click(Sender: TObject);
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function LocalIp: string;
var IPW: TIdIPWatch;
Result := '127.0.0.1';
IpW := TIdIPWatch.Create(nil);
if IpW.LocalIP <> '' then
Result := IpW.LocalIP;
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