istream.md

description	title	ms.date	f1_keywords	helpviewer_keywords	ms.assetid
Learn more about: <istream>	<istream>	11/04/2016	<istream>	istream header	efcf24e4-05d1-4719-ab0b-9e7ebe845d89

<istream>

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.

Syntax

#include <istream>

Typedefs

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.

Manipulators

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

Operators

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

Classes

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