sqlite3WalOpen   41570 ext/sqlite3/libsqlite/sqlite3.c SQLITE_PRIVATE int sqlite3WalOpen(sqlite3_vfs*, sqlite3_file*, const char *, int, i64, Wal**);
sqlite3WalOpen   48781 ext/sqlite3/libsqlite/sqlite3.c     rc = sqlite3WalOpen(pPager->pVfs,