Function CFStringCreateWithBytesNoCopy 

pub unsafe extern "C-unwind" fn CFStringCreateWithBytesNoCopy(
    alloc: Option<&CFAllocator>,
    bytes: *const u8,
    num_bytes: CFIndex,
    encoding: CFStringEncoding,
    is_external_representation: bool,
    contents_deallocator: Option<&CFAllocator>,
) -> Option<CFRetained<CFString>>

👎Deprecated: renamed to CFString::with_bytes_no_copy

Available on crate feature CFString only.