# session.attached

- **Language:** C
- **Kind:** attribute
- **Source:** https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/tmux.h#L1542
- **Page:** https://libtmux.org/en/tmux/latest/reference/c-struct-session-attached/

```c
u_int attached;
```

## Referenced by

- [`alerts_check_activity`](/en/tmux/latest/reference/c-function-alerts-c-alerts_check_activity/) (function)
- [`alerts_check_bell`](/en/tmux/latest/reference/c-function-alerts-c-alerts_check_bell/) (function)
- [`alerts_check_silence`](/en/tmux/latest/reference/c-function-alerts-c-alerts_check_silence/) (function)
- [`cfg_show_causes`](/en/tmux/latest/reference/c-function-cfg_show_causes/) (function)
- [`cmd_find_best_client`](/en/tmux/latest/reference/c-function-cmd_find_best_client/) (function)
- [`cmd_find_session_better`](/en/tmux/latest/reference/c-function-cmd-find-c-cmd_find_session_better/) (function)
- [`format_cb_session_attached`](/en/tmux/latest/reference/c-function-format-c-format_cb_session_attached/) (function)
- [`format_cb_session_many_attached`](/en/tmux/latest/reference/c-function-format-c-format_cb_session_many_attached/) (function)
- [`recalculate_sizes_now`](/en/tmux/latest/reference/c-function-recalculate_sizes_now/) (function)
- [`server_check_unattached`](/en/tmux/latest/reference/c-function-server_check_unattached/) (function)
- [`server_client_check_window_resize`](/en/tmux/latest/reference/c-function-server-client-c-server_client_check_window_resize/) (function)
- [`server_newer_detached_session`](/en/tmux/latest/reference/c-function-server-fn-c-server_newer_detached_session/) (function)
- [`server_update_socket`](/en/tmux/latest/reference/c-function-server_update_socket/) (function)
- [`session_group_attached_count`](/en/tmux/latest/reference/c-function-session_group_attached_count/) (function)
- [`session_lock_timer`](/en/tmux/latest/reference/c-function-session-c-session_lock_timer/) (function)
- [`session_update_activity`](/en/tmux/latest/reference/c-function-session_update_activity/) (function)
- [`window_pane_update_focus`](/en/tmux/latest/reference/c-function-window_pane_update_focus/) (function)