1 using _STLP_OLD_IO_NAMESPACE::ostream; 2 using _STLP_OLD_IO_NAMESPACE::endl; 3 using _STLP_OLD_IO_NAMESPACE::ends; 4 using _STLP_OLD_IO_NAMESPACE::flush; 5 6 // using _STLP_OLD_IO_NAMESPACE::ws; 7