#include <db.h> int DB_ENV->get_create_dir(DB_ENV *dbenv, const char **dirp);
         The DB_ENV->get_create_dir() method returns a pointer
         to the name of the directory to create databases in.
    
         The DB_ENV->get_create_dir() method may be called at any time during
         the life of the application.
    
         The DB_ENV->get_create_dir() 
            
                  method returns a non-zero error value on failure and 0 on success.