Function NSCopyObject 

pub unsafe extern "C-unwind" fn NSCopyObject(
    object: &AnyObject,
    extra_bytes: NSUInteger,
    zone: *mut NSZone,
) -> Retained<AnyObject>

👎Deprecated: Not supported

Available on crate features NSObject and NSZone only.

Safety

• object should be of the correct type.
• zone must be a valid pointer or null.