F_CONVERTTO33

Entrypoint convertto33

   Input      INTEGER          integer in decimal system
   Output     CSTRING(254)     number in 33-system

   TestSQL
   SELECT 'WB' AS ISCORRECT, F_CONVERTTO33(1000) FROM RDB$DATABASE;
   SELECT NULL AS ISCORRECT, F_CONVERTTO33(NULL) FROM RDB$DATABASE;