403 struct __db {  struct
423 	 * TAILQ_HEAD(free_queue, __dbc);  argument
427 		struct __dbc *tqh_first;  argument
431 		struct __dbc *tqh_first;  argument
433 	} active_queue;
435 	u_int8_t  fileid[DB_FILE_ID_LEN]; /* Uniquely identify this file for
437 	u_int32_t log_fileid;		/* Logging file id. */
438 	size_t	  pgsize;		/* Logical page size of file. */
441 	void *(*db_malloc) __P((size_t));
442 	int (*dup_compare)		/* Duplicate compare function. */
448 	int (*am_close)	__P((DB *));
449 	int (*close)	__P((DB *, u_int32_t));
450 	int (*cursor)	__P((DB *, DB_TXN *, DBC **, u_int32_t));
451 	int (*del)	__P((DB *, DB_TXN *, DBT *, u_int32_t));
452 	int (*fd)	__P((DB *, int *));
453 	int (*get)	__P((DB *, DB_TXN *, DBT *, DBT *, u_int32_t));
454 	int (*join)	__P((DB *, DBC **, u_int32_t, DBC **));
455 	int (*put)	__P((DB *, DB_TXN *, DBT *, DBT *, u_int32_t));
479 struct __db_ilock {			/* Internal DB access method lock. */  argument