><b>PROCEDURE</b></span> CloseFile; <span style="color:teal"><b>OVERRIDE</b></span>;
         <span style="color:navy"><b>PROCEDURE</b></span> OpenFile; <span style="color:teal"><b>OVERRIDE</b></span>;
        
         <span style="color:navy"><b>FUNCTION</b></span>  ReadRecord (IntRecNum: Integer; Buffer: Pointer): Integer; <span style="color:teal"><b>OVERRIDE</b></span>;
         <span style="color:navy"><b>PROCEDURE</b></span> WriteRecord (IntRecNum: Integer; Buffer: Pointer); <span style="color:teal"><