len, vlen
Declaration
Integer function len(cstring S)
Integer function vlen(varchar S)
Description
len, vlen return the length of string S.
Example Stored Procedure
CREATE PROCEDURE test_vlen(s varchar(30))
RETURNS (result integer) AS
BEGIN
result = vlen(s);
END!!
WISQL - calling the example stored procedure
execute procedure test_vlen("123456");
RESULT
===========
6
execute procedure test_vlen("123456789");
RESULT
===========
9