12.1 Overview
Several input/output headers and describes their purpose.
Header Partial Description
iosfwd Contains forward declarations
iostream Declares cin, cout, etc.
ios Declares ios_base and basic_ios
streambuf Declares basic_streambuf
istream Declares basic_istream
ostream Declares basic_ostream
iostream Declares basic_istream and basic_ostream
iomanip Declares parameterized manipulators
sstream Declares basic_stringbuf and the stringstream classes
fstream Declares basic_filebuf and the fstream classes
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