<istream>

The latest version of this topic can be found at <istream>.

Defines the template class basic_istream, which mediates extractions for the iostreams, and the template class 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

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

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

Operators

operator>>

Extracts characters and strings from the stream.

Classes

basic_iostream	A stream class that can do both input and output.
basic_istream	The template class 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.

通过