SQL> <<bk>>
  2  declare
  3    cursor empCur return hr.employees%rowtype is
  4      select
  5        t1.*
  6      from
  7        hr.employees t1
  8      where
  9        t1.department_id = 100
 10      order by
 11        t1.employee_id;
 12  --
 13    empRec hr.employees%rowtype;
 14  --
 15  begin
 16    open bk.empCur;
 17    loop
 18      fetch bk.empCur into bk.empRec;
 19      exit when (bk.empCur%notfound) or (bk.empCur%rowcount = 5);
 20      sys.dbms_output.put_line('employee_id = ' || to_char(bk.empRec.employee_id));
 21    end loop;
 22    close bk.empCur;
 23  end;
 24  /

PL/SQL procedure successfully completed.

SQL> set serveroutput on
SQL> /
employee_id = 108
employee_id = 109
employee_id = 110
employee_id = 111

PL/SQL procedure successfully completed.

SQL>