# options_array_item_index

- **Language:** C
- **Kind:** function
- **Source:** https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/options.c#L543
- **Page:** https://libtmux.org/en/tmux/3.2a/reference/c-function-options_array_item_index/

```c
u_int options_array_item_index(struct options_array_item *a)
```

## Parameters

- `a` (`struct options_array_item *`)

## Called by

- [`cmd_show_options_all`](/en/tmux/3.2a/reference/c-function-cmd-show-options-c-cmd_show_options_all/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/cmd-show-options.c#L245)
- [`cmd_show_options_print`](/en/tmux/3.2a/reference/c-function-cmd-show-options-c-cmd_show_options_print/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/cmd-show-options.c#L161)
- [`tty_keys_build`](/en/tmux/3.2a/reference/c-function-tty_keys_build/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/tty-keys.c#L523)
- [`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#L244)

## Referenced declarations

- [`options_array_item.index`](/en/tmux/3.2a/reference/c-struct-options_array_item-index/) (attribute)
- [`options_array_item`](/en/tmux/3.2a/reference/c-struct-options_array_item/) (struct)