unit bug0308a; interface type tcourses = object function index(cName: string): integer; function name(cIndex: integer): string; end; var coursedb: tcourses; l: longint; implementation function tcourses.index(cName: string): integer; begin index := byte(cName[0]); end; function tcourses.name(cIndex: integer): string; begin name := char(byte(cIndex)); end; end.