internal static extern unsafe ResultType GetText(SafeCursorHandle cursor, int idx, byte[] data);
 internal static extern ResultType GetInt64(SafeCursorHandle cursor, int idx, out long data);
 internal static extern ResultType Getdouble(SafeCursorHandle cursor, int idx, out double data);
 internal static extern ResultType GetItemType(SafeCursorHandle cursor, int idx, out int type);
 internal static extern ResultType GetBlob(SafeCursorHandle cursor, int idx, byte[] buffer, int size);
 internal static extern int GetItemSize(SafeCursorHandle cursor, int idx);
 internal static extern ResultType GetColumnName(SafeCursorHandle cursor, int idx, StringBuilder name);
 internal static extern int GetColumnCount(SafeCursorHandle cursor);
 internal static extern ResultType Prev(SafeCursorHandle cursor);
 internal static extern ResultType First(SafeCursorHandle cursor);