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Defines the class template basic_istream, which mediates extractions for the iostreams, and the class template basic_iostream, which mediates both insertions and extractions. The header also defines a related manipulator. This header file is typically included for you by another iostreams header; you rarely have to include it directly.


#include <istream>


Type name Description
iostream A type basic_iostream specialized on char.
istream A type basic_istream specialized on char.
wiostream A type basic_iostream specialized on wchar.
wistream A type basic_istream specialized on wchar.


Name Description
ws Skips white space in the stream.
swap Exchanges two stream objects.


Operator Description
operator>> Extracts characters and strings from the stream.


Class Description
basic_iostream A stream class that can do both input and output.
basic_istream The class template describes an object that controls extraction of elements and encoded objects from a stream buffer with elements of type Elem, also known as char_type, whose character traits are determined by the class Tr, also known as traits_type.

See also

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