[adjustfield.manip]

# 31 Input/output library [[input.output]](./#input.output)

## 31.5 Iostreams base classes [[iostreams.base]](iostreams.base#adjustfield.manip)

### 31.5.5 ios_base manipulators [[std.ios.manip]](std.ios.manip#adjustfield.manip)

#### 31.5.5.2 adjustfield manipulators [adjustfield.manip]

[1](#1)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L2631)

Each function specified in this subclause
is a designated addressable function ([[namespace.std]](namespace.std "16.4.5.2.1 Namespace std"))[.](#1.sentence-1)

[🔗](#lib:internal)

`ios_base& internal(ios_base& str);
`

[2](#2)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L2641)

*Effects*: Callsstr.setf(ios_base​::​internal, ios_base​::​adjustfield)[.](#2.sentence-1)

[3](#3)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L2646)

*Returns*: str[.](#3.sentence-1)

[🔗](#lib:left)

`ios_base& left(ios_base& str);
`

[4](#4)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L2657)

*Effects*: Callsstr.setf(ios_base​::​left, ios_base​::​adjustfield)[.](#4.sentence-1)

[5](#5)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L2662)

*Returns*: str[.](#5.sentence-1)

[🔗](#lib:right)

`ios_base& right(ios_base& str);
`

[6](#6)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L2673)

*Effects*: Callsstr.setf(ios_base​::​right, ios_base​::​adjustfield)[.](#6.sentence-1)

[7](#7)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L2678)

*Returns*: str[.](#7.sentence-1)