Function CFNumberFormatterCreateStringWithValue 

pub unsafe extern "C-unwind" fn CFNumberFormatterCreateStringWithValue(
    allocator: Option<&CFAllocator>,
    formatter: Option<&CFNumberFormatter>,
    number_type: CFNumberType,
    value_ptr: *const c_void,
) -> Option<CFRetained<CFString>>

👎Deprecated: renamed to CFNumberFormatter::new_string_with_value

Available on crate features CFNumber and CFNumberFormatter only.