WalWriter        51618 ext/sqlite3/libsqlite/sqlite3.c   WalWriter *p,              /* WAL to write to */
WalWriter        51643 ext/sqlite3/libsqlite/sqlite3.c   WalWriter *p,               /* Where to write the frame */
WalWriter        51683 ext/sqlite3/libsqlite/sqlite3.c   WalWriter w;                    /* The writer */