++p;
P++;
--p;
p--;

// compile with: /unsafe

class IncrDecr
{
    unsafe static void Main()
    {
        int[] numbers = {0,1,2,3,4};

        // Assign the array address to the pointer:
        fixed (int* p1 = numbers)
        {
            // Step through the array elements:
            for(int* p2=p1; p2<p1+numbers.Length; p2++)
            {
                System.Console.WriteLine("Value:{0} @ Address:{1}", *p2, (long)p2);
            }
        }
    }
}