# TTY_HAVEDA2

- **Language:** C
- **Kind:** constant
- **Source:** https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/tmux.h#L1707
- **Page:** https://libtmux.org/en/tmux/latest/reference/c-define-tmux-h-tty_haveda2/

```c
#define TTY_HAVEDA2 0x800
```

## Referenced by

- [`TTY_ALL_REQUEST_FLAGS`](/en/tmux/latest/reference/c-define-tmux-h-tty_all_request_flags/) (constant)
- [`tty_keys_device_attributes2`](/en/tmux/latest/reference/c-function-tty-keys-c-tty_keys_device_attributes2/) (function)
- [`tty_send_requests`](/en/tmux/latest/reference/c-function-tty_send_requests/) (function)
- [`tty_start_timer_callback`](/en/tmux/latest/reference/c-function-tty-c-tty_start_timer_callback/) (function)