# buffer_size

Source: https://libtmux.org/en/tmux/3.7c/catalog/formats/buffer_size/

> Size of the specified buffer in bytes

format variable tmux3.7c

Size of the specified buffer in bytes

* Scope

  Describes the buffer being formatted

* Type

  Text

* Usage

  `#{buffer_size}`

## Description[#](https://libtmux.org/en/tmux/3.7c/catalog/formats/buffer_size/#description)

Size of the specified buffer in bytes

## Releases[#](https://libtmux.org/en/tmux/3.7c/catalog/formats/buffer_size/#releases)

* [tmux 3.7c](https://libtmux.org/en/tmux/3.7c/catalog/formats/buffer_size/) : present
* [tmux 3.2a](https://libtmux.org/en/tmux/3.2a/catalog/formats/buffer_size/) : present

## Source[#](https://libtmux.org/en/tmux/3.7c/catalog/formats/buffer_size/#source)

* Defined in

  [`format.c:3212`](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/format.c#L3212)

* C source reference

  [`format_cb_buffer_size`](https://libtmux.org/en/tmux/3.7c/reference/c-function-format-c-format_cb_buffer_size/)

* CLI Manual

  [Original manual entry](https://libtmux.org/en/tmux/3.7c/manual/full/#buffer_size)