# mode_tree_is_lowercase

- **Language:** C
- **Kind:** function
- **Source:** https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/mode-tree.c#L166
- **Page:** https://libtmux.org/en/tmux/3.7c/reference/c-function-mode-tree-c-mode_tree_is_lowercase/

```c
static int mode_tree_is_lowercase(const char *ptr)
```

## Parameters

- `ptr` (`const char *`)

## Called by

- [`mode_tree_search_callback`](/en/tmux/3.7c/reference/c-function-mode-tree-c-mode_tree_search_callback/) (function) [Call site](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/mode-tree.c#L1059)