The following code example is taken from the book
Object-Oriented Programming in C++
by Nicolai M. Josuttis, Wiley, 2002
© Copyright Nicolai M. Josuttis 2002
using std::ios;
using std::cout;
// mark current format flags
ios::fmtflags oldFlags = cout.flags();
// change this and that
cout.setf(ios::showpos | ios::showbase | ios::uppercase);
cout.setf(ios::internal, ios::adjustfield);
//...
// restore status of old flags again
cout.flags(oldFlags);