1 # pragma namemanglingrule ( 2 fnparmtype , 2.1! on 2.1 off 2.1 pop 2 fnparmscmp , 2.1! on 2.1 off 2.1 pop 2 fnparmstypedefscmp , 2.1! on 2.1 off 2.1 pop 2.1.1 )