Defines the template class basic_ostream, which mediates insertions for the iostreams. The header also defines several related manipulators. (This header is typically included for you by another of the iostreams headers. You rarely need to include it directly.)

For a list of all members of this header, see <ostream> Members.

#include <ostream>

 See Also

Reference

Thread Safety in the Standard C++ Library
iostream Programming
iostreams Conventions

Other Resources

<ostream> Members
Standard C++ Library Header Files