# format_expand

- **Language:** C
- **Kind:** function
- **Source:** https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/format.c#L4609
- **Page:** https://libtmux.org/en/tmux/3.2a/reference/c-function-format_expand/

```c
char * format_expand(struct format_tree *ft, const char *fmt)
```

## Parameters

- `ft` (`struct format_tree *`)
- `fmt` (`const char *`)

## Called by

- [`cmd_display_menu_get_position`](/en/tmux/3.2a/reference/c-function-cmd-display-menu-c-cmd_display_menu_get_position/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/cmd-display-menu.c#L215)
- [`cmd_list_buffers_exec`](/en/tmux/3.2a/reference/c-function-cmd-list-buffers-c-cmd_list_buffers_exec/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/cmd-list-buffers.c#L66)
- [`cmd_list_clients_exec`](/en/tmux/3.2a/reference/c-function-cmd-list-clients-c-cmd_list_clients_exec/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/cmd-list-clients.c#L80)
- [`cmd_list_keys_commands`](/en/tmux/3.2a/reference/c-function-cmd-list-keys-c-cmd_list_keys_commands/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/cmd-list-keys.c#L359)
- [`cmd_list_panes_window`](/en/tmux/3.2a/reference/c-function-cmd-list-panes-c-cmd_list_panes_window/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/cmd-list-panes.c#L134)
- [`cmd_list_sessions_exec`](/en/tmux/3.2a/reference/c-function-cmd-list-sessions-c-cmd_list_sessions_exec/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/cmd-list-sessions.c#L74)
- [`cmd_list_windows_session`](/en/tmux/3.2a/reference/c-function-cmd-list-windows-c-cmd_list_windows_session/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/cmd-list-windows.c#L116)
- [`control_check_subs_all_panes`](/en/tmux/3.2a/reference/c-function-control-c-control_check_subs_all_panes/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/control.c#L918)
- [`control_check_subs_all_windows`](/en/tmux/3.2a/reference/c-function-control-c-control_check_subs_all_windows/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/control.c#L1007)
- [`control_check_subs_pane`](/en/tmux/3.2a/reference/c-function-control-c-control_check_subs_pane/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/control.c#L876)
- [`control_check_subs_session`](/en/tmux/3.2a/reference/c-function-control-c-control_check_subs_session/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/control.c#L840)
- [`control_check_subs_window`](/en/tmux/3.2a/reference/c-function-control-c-control_check_subs_window/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/control.c#L966)
- [`format_single`](/en/tmux/3.2a/reference/c-function-format_single/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/format.c#L4628)
- [`format_window_name`](/en/tmux/3.2a/reference/c-function-names-c-format_window_name/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/names.c#L135)
- [`options_string_to_style`](/en/tmux/3.2a/reference/c-function-options_string_to_style/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/options.c#L919)
- [`window_buffer_build`](/en/tmux/3.2a/reference/c-function-window-buffer-c-window_buffer_build/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/window-buffer.c#L207)
- [`window_buffer_get_key`](/en/tmux/3.2a/reference/c-function-window-buffer-c-window_buffer_get_key/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/window-buffer.c#L319)
- [`window_client_get_key`](/en/tmux/3.2a/reference/c-function-window-client-c-window_client_get_key/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/window-client.c#L280)
- [`window_customize_build_array`](/en/tmux/3.2a/reference/c-function-window-customize-c-window_customize_build_array/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/window-customize.c#L257)
- [`window_customize_build_keys`](/en/tmux/3.2a/reference/c-function-window-customize-c-window_customize_build_keys/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/window-customize.c#L471)
- [`window_customize_build_option`](/en/tmux/3.2a/reference/c-function-window-customize-c-window_customize_build_option/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/window-customize.c#L315)
- [`window_customize_draw_option`](/en/tmux/3.2a/reference/c-function-window-customize-c-window_customize_draw_option/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/window-customize.c#L740)
- [`window_tree_get_key`](/en/tmux/3.2a/reference/c-function-window-tree-c-window_tree_get_key/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/window-tree.c#L893)

## Calls

- [`format_expand1`](/en/tmux/3.2a/reference/c-function-format-c-format_expand1/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/format.c#L4616)

## Referenced by

- [`cmd_show_messages_exec`](/en/tmux/3.2a/reference/c-function-cmd-show-messages-c-cmd_show_messages_exec/) (function)

## Referenced declarations

- [`format_expand_state.flags`](/en/tmux/3.2a/reference/c-struct-format_expand_state-flags/) (attribute)
- [`format_tree`](/en/tmux/3.2a/reference/c-struct-format_tree/) (struct)
- [`format_expand_state.ft`](/en/tmux/3.2a/reference/c-struct-format_expand_state-ft/) (attribute)