# HOST_NAME_MAX

- **Language:** C
- **Kind:** constant
- **Source:** https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/compat.h#L265
- **Page:** https://libtmux.org/en/tmux/3.2a/reference/c-define-compat-h-host_name_max/

```c
#define HOST_NAME_MAX 255
```

## Referenced by

- [`format_cb_host`](/en/tmux/3.2a/reference/c-function-format-c-format_cb_host/) (function)
- [`format_cb_host_short`](/en/tmux/3.2a/reference/c-function-format-c-format_cb_host_short/) (function)
- [`window_pane_create`](/en/tmux/3.2a/reference/c-function-window-c-window_pane_create/) (function)