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C++ : Reference : <iostream>
 
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<iostream>

header

Standard Input / Output Streams Library

Header that defines the standard input/output stream objects:

<case label="C++98">
Including this header may automatically include other headers, such as <ios>, <streambuf>, <istream>, <ostream> and/or <iosfwd>.
</case>
<case label="C++11">
Including <iostream> automatically includes also <ios>, <streambuf>, <istream>, <ostream> and <iosfwd>.
</case>

Note that the iostream class is mainly declared in header <istream>.

Objects


Narrow characters (char)


Wide characters (wchar_t)