# window_pane_offset.used

- **Language:** C
- **Kind:** attribute
- **Source:** https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/tmux.h#L1212
- **Page:** https://libtmux.org/en/tmux/latest/reference/c-struct-window_pane_offset-used/

```c
size_t used;
```

## Referenced by

- [`server_client_check_pane_buffer`](/en/tmux/latest/reference/c-function-server-client-c-server_client_check_pane_buffer/) (function)
- [`window_pane_get_new_data`](/en/tmux/latest/reference/c-function-window_pane_get_new_data/) (function)
- [`window_pane_update_used_data`](/en/tmux/latest/reference/c-function-window_pane_update_used_data/) (function)