#include <db_cxx.h> int DbEnv::get_lg_filemode(int *lg_modep);
         The DbEnv::set_lg_filemode() method returns the log file mode.
         You can manage this value using the
         DbEnv::set_lg_filemode()
         method. 
    
         The DbEnv::set_lg_filemode() method may be called at any time during
         the life of the application.
    
         The DbEnv::set_lg_filemode() 
            
            
                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.