# utf8_index_tree_RB_PREV

- **Language:** C
- **Kind:** function
- **Source:** https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/utf8.c#L250
- **Page:** https://libtmux.org/en/tmux/3.7c/reference/c-function-utf8-c-utf8_index_tree_rb_prev/

```c
static struct utf8_item * utf8_index_tree_RB_PREV(struct utf8_item *elm)
```

## Parameters

- `elm` (`struct utf8_item *`)

## Referenced declarations

- [`utf8_item`](/en/tmux/3.7c/reference/c-struct-utf8_item/) (struct)