Wrong Result from SQLTables

Connecting a Database using SQLDriverConnect and then issue a SQLTables produses a wrong list.
The Result contains the Tablenames for the connected Database, but the mysql and performance_schema tablnames are listed too.

Connected as user root without DB Password.

Statement:
Rc=SQLTables(hstmt, // Get Tablenames for the current DB
NULL,0,
NULL,0,
NULL,0,
(SQLCHAR*)"TABLE",SQL_NTS);