#include <db.h>

int
DB_ENV->get_lg_dir(DB_ENV *dbenv, const char **dirp);  

The DB_ENV->get_lg_dir() method returns the log directory, which is the location for logging files. You can manage this value using the DB_ENV->set_lg_dir() method.

The DB_ENV->get_lg_dir() method may be called at any time during the life of the application.

The DB_ENV->get_lg_dir() method returns a non-zero error value on failure and 0 on success.