Error while creating function anonumos bock

Question

Hi ,,
I trying to write a function in a aninymous block to return  the ename based on empo passed . but it throws me an error as follows :
where am i going wrong here .
SET SERVEROUTPUT ON
DECALRE
v_ename varchar2;
FUNCTION getename(p_no number)
RETURN varchar2
AS
SELECT ename from
          scott.emp
WHERE empno=p_no;
BEGIN
v_ename :=getename(7369);
dbms_output.put_line(v_ename);
END;
ORA-06550: line 2, column 1:
PLS-00201: identifier 'V_ENAME' must be declared
ORA-06550: line 2, column 1:
PL/SQL: Statement ignored
ORA-06550: line 3, column 22:
PLS-00201: identifier 'V_ENAME' must be declared
ORA-06550: line 3, column 1:
PL/SQL: Statement ignored
06550. 00000 -  "line %s, column %s:\n%s"
*Cause:    Usually a PL/SQL compilation error.
*Action:

Answer 1

SQL> SET SERVEROUTPUT ON;
SQL>
SQL>
SQL> DECLaRE
  2    v_ename varchar2(150);
  3    FUNCTION getename(p_no number) RETURN varchar2 AS
  4      RESULT VARCHAR2(10);
  5    BEGIN
  6      SELECT DUMMY INTO RESULT from DUAL WHERE 1=P_NO;
  7      RETURN RESULT;
  8    END;
  9  BEGIN
10    v_ename := getename(1);
11    dbms_output.put_line(v_ename);
12  END;
13  /
X
PL/SQL procedure successfully completed
SQL>
Ramin Hashimzade