SQL Definition - Advanced SQL Engine - Teradata Database

CREATE FUNCTION CONCAT3(A BLOB AS LOCATOR,
                        B VARBYTE(64000),
                        C BLOB AS LOCATOR)
        RETURNS BLOB AS LOCATOR
        LANGUAGE C
        NO SQL
        PARAMETER STYLE TD_GENERAL
        EXTERNAL NAME 'CS!udfsamp!td_udf/udfsamp.c';