Function CFDateFormatterCreateDateFormatFromTemplate 

pub unsafe extern "C-unwind" fn CFDateFormatterCreateDateFormatFromTemplate(
    allocator: Option<&CFAllocator>,
    tmplate: Option<&CFString>,
    options: CFOptionFlags,
    locale: Option<&CFLocale>,
) -> Option<CFRetained<CFString>>

👎Deprecated: renamed to CFDateFormatter::new_date_format_from_template

Available on crate features CFDateFormatter and CFLocale only.