using System;

public class Test
{
	public static void Copy(IntPtr ptr) {
		ptr = (IntPtr)(0xffffffff);
	}
	
	public static void Ref(ref IntPtr ptr) {
		ptr = (IntPtr)(0xffffffff);
	}
	
	public static void Main()
	{
		IntPtr ptr = IntPtr.Zero;
		
		Copy(ptr);
		Console.WriteLine("0x{0}", ptr.ToString("x"));
		
		Ref(ref ptr);
		Console.WriteLine("0x{0}", ptr.ToString("x"));
	}
}