#include <db_cxx.h> int DbEnv::log_cursor(DbLogc **cursorp, u_int32_t flags);
        The DbLogc object is the handle for a cursor into the log
        files, supporting sequential access to the records stored in log files. The handle is not
        free-threaded. Once the DbLogc::close() method is
        called, the handle may not be accessed again, regardless of that method's return.
    
For more information, see the DbLsn handle.