# FNM_CASEFOLD

- **Language:** C
- **Kind:** constant
- **Source:** https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/compat.h#L221
- **Page:** https://libtmux.org/en/tmux/3.7c/reference/c-define-compat-h-fnm_casefold/

```c
#define FNM_CASEFOLD 0
```

## Referenced by

- [`format_match`](/en/tmux/3.7c/reference/c-function-format-c-format_match/) (function)
- [`window_pane_search`](/en/tmux/3.7c/reference/c-function-window_pane_search/) (function)