File: pfinger.pp

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program pfinger;

uses sockets,errors;

Var Addr : TInetSockAddr;
 S : Longint;
    Sin,Sout : Text;
    Line : string;
    
begin
  Addr.family:=AF_INET;
  { port 79 in network order }
  Addr.port:=79 shl 8;
  { localhost : 127.0.0.1 in network order }
  Addr.addr:=((1 shl 24) or 127);
  S:=Socket(AF_INET,SOCK_STREAM,0);
  If Not Connect (S,ADDR,SIN,SOUT) Then
    begin
    Writeln ('Couldn''t connect to localhost');
    Writeln ('Socket error : ',strerror(SocketError));
    halt(1);
    end;
  rewrite (sout);
  reset(sin);
  writeln (sout,paramstr(1));
  flush(sout);
  while not eof(sin) do 
    begin
    readln (Sin,line);
    writeln (line);
    end;
  Shutdown(s,2);
  close (sin);
  close (sout);
end.