#include <db_cxx.h> int DbMpoolFile::get_lsn_offset(int32_t *lsn_offsetp);
         The DbMpoolFile::get_lsn_offset() method returns the log sequence
         number byte offset configured for a file's pages using the
         DbMpoolFile::set_lsn_offset()
         method.
    
         The DbMpoolFile::get_lsn_offset() method may be called at any time
         during the life of the application.
    
         The DbMpoolFile::get_lsn_offset() 
            
            
                method either returns a non-zero error value or throws an
                exception that encapsulates a non-zero error value on
                failure, and returns 0 on success.