anchor.diff:     lbp_types,
   {$ifdef UNIX}
      baseunix,
  -   termio,
  +   termio,   // isatty()
  +{$else}
  +   jwawinbase,
  +//    windowns,  // In order to fake isatty()
   {$endif}
      classes, // tHandleStream
      lbp_argv;
  
positive.code:                              AsOption: boolean;
                               DoOpen:   boolean);
     var
       Usage: string = 'The input file name.';
     begin
        DoNotOpen:= not DoOpen;
        IsRequired:= Required;
        if( Required) then begin
           Usage:= 'The input file name.  This parameter or a pipe' +
                   LineEnding + '                                 is required';
        end else begin
           Usage:= 'The optional input file name.';
        end;
        if( AsOption) then begin
           AddUsage( '   ========== Input File library ==========');
  // {$ifdef UNIX}
          if( DoOpen) then begin
             AddUsage( '      Allows the user to pass an input file name to the program or to read');
             AddUsage( '      its input from a command line pipe.');
          end;
  // {$else}
  //          AddUsage( '      Allows the user to pass an input file name to the program');
  // {$endif}
           if( UseF) then begin
              AddParam( ['f','input-file'], true, '', Usage);
           end else begin
              AddParam( ['input-file'], true, '', Usage);
           end;
           AddUsage( '');
        end else begin
           if( UseF) then begin
              InsertParam( ['f','input-file'], true, '', Usage);
           end else begin
              InsertParam( ['input-file'], true, '', Usage);
           end;
        end;
     end; // SetInputFileParam()
  
negative.code: 
  // ************************************************************************
  
  function  IsATTY( Handle: longint): boolean;
  function  InputAvailable(): boolean;
  procedure SetInputFileParam( Required: boolean = true;  // must have an input file or pipe
                               UseF: boolean = true;     // Add '-f' as an aliase paramater
  