PROCEDURE P_EMP_CURSOR
   ( in_last_name IN varchar2 )
   IS

   cursor get_emp(p_last_name varchar2) is 
   select * from 
     bonus 
   where last_name = p_last_name;

BEGIN
  for emp_rec in get_emp(in_last_name) loop
     dbms_output.put_line(emp_rec.first_name||' '||emp_rec.last_name);
  end loop;
END;