Description
It is used in standard Input / Output Streams Library.
Declaration
Following is the declaration for iosstream function.
C++98
Including this header may automatically include other headers, such as <ios>, <streambuf>, <istream>, <ostream> and/or <iosfwd>.
C++11
Including <iostream> automatically includes also <ios>, <streambuf>, <istream>, <ostream> and <iosfwd>.
Objects
The objects of iosstream should be like this −
Narrow characters (char)
| Sr.No. | Characters | Definition |
|---|---|---|
| 1 | Standard input stream | |
| 2 | Standard output stream | |
| 3 | Standard output stream for errors | |
| 4 | Standard output stream for logging |
Wide characters (wchar_t)
| Sr.No. | Characters | Definition |
|---|---|---|
| 1 | Standard input stream (wide) | |
| 2 | SStandard output stream (wide) | |
| 3 | Standard output stream for errors (wide-oriented) | |
| 4 | Standard output stream for logging (wide) |