# window_copy_is_lowercase

- **Language:** C
- **Kind:** function
- **Source:** https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/window-copy.c#L4060
- **Page:** https://libtmux.org/en/tmux/3.7c/reference/c-function-window-copy-c-window_copy_is_lowercase/

```c
static int window_copy_is_lowercase(const char *)
```

## Parameters

- `ptr` (`const char *`)

## Called by

- [`window_copy_search`](/en/tmux/3.7c/reference/c-function-window-copy-c-window_copy_search/) (function) [Call site](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/window-copy.c#L4261)
- [`window_copy_search_marks`](/en/tmux/3.7c/reference/c-function-window-copy-c-window_copy_search_marks/) (function) [Call site](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/window-copy.c#L4455)