using System;
class MainClass {
public static unsafe String UnsafeCodeExample(String s) {
int len = s.Length;
char[] str = new char[len + 1];
string stemp = "";
int nPos = 0;
fixed (char* sptr = str) {
// Copy the string in backward
for (int i = len - 1; i >= 0; --i) {
sptr[nPos++] = s[i];
sptr[nPos] = (char)0;
}
// Now, copy it back
for (int i = 0; i < len; ++i)
stemp += sptr[i];
}
return stemp;
}
public static void Main() {
String s = UnsafeCodeExample("This is a test");
Console.WriteLine("Reversed: {0}", s);
}
}