Function CFStringFindWithOptionsAndLocale 

pub unsafe extern "C-unwind" fn CFStringFindWithOptionsAndLocale(
    the_string: &CFString,
    string_to_find: Option<&CFString>,
    range_to_search: CFRange,
    search_options: CFStringCompareFlags,
    locale: Option<&CFLocale>,
    result: *mut CFRange,
) -> bool

👎Deprecated: renamed to CFString::find_with_options_and_locale

Available on crate features CFLocale and CFString only.