b_curalloc.c allocate a cursor b_curwalk.c walk a cursor through N records b_del.c delete N records b_get.c read a single record b_load.c insert N in-order records insert N in-order duplicate records b_open.c open/close a database b_put.c overwrite a single record optionally with secondaries b_txn.c start/abort a transaction containing no operations start/commit a transaction containing no operations b_txn_write.c write/commit transaction synchronously write/commit transaction nosync write/commit transaction write-nosync optionally with replication stub b_recover.c time recovery after N transactions.