#include <db_cxx.h> void DbEnv::get_msgpfx(const char **msgpfxp);
        The DbEnv::get_msgpfx() method returns the
        information prefix that appears before informational messages issued by Berkeley
        DB. This prefix is set using the 
        DbEnv::set_msgpfx()
        method.
    
         The DbEnv::get_msgpfx() method may be
         called at any time during the life of the application.