fbsql_field_type() is similar to the fbsql_field_name() function, but the field type is returned instead.
resultA result identifier returned by fbsql_query() or fbsql_db_query().
field_offsetThe numerical offset of the field. The field index starts at 0.
Returns the field type, as a string.
This can be one of int, real, string, blob, and others as detailed in the FrontBase documentation.