The class
Init
describes an object whose construction
ensures the construction of the eight objects declared in
<iostream> ([iostream.objects]) that associate file
stream buffers with the standard C streams
provided for by the functions declared in
<cstdio> ([cstdio.syn]).
If there are no other instances of the class still in existence,
calls
cout.flush(),
cerr.flush(),
clog.flush(),
wcout.flush(),
wcerr.flush(),
wclog.flush().