Chapter 8.  The DbLsn Handle

#include <db_cxx.h>

class DbLsn : public DB_LSN { ... }; 

The DbLsn object is a log sequence number which specifies a unique location in a log file. A DbLsn consists of two unsigned 32-bit integers -- one specifies the log file number, and the other specifies an offset in the log file.

Logging Subsystem and Related Methods