public static extern ResultCode sqlite3_close_v2(sqlite3 db);
public static extern int sqlite3_extended_errcode(sqlite3 db);
public static extern unsafe ResultCode sqlite3_open_v2( string filename, /* Database filename (UTF-8) */ out sqlite3 ppDb, /* OUT: SQLite db handle */ OpenFlags flags, /* Flags */ string zVfs /* Name of VFS module to use */ );