/* Exercise 2.8 from "The C programming language" book by K&R */

#include <stdio.h>

/* rotates x to right for n bits */
unsigned char rightrot(unsigned char x, unsigned n)
{
	while (n-- != 0)
		if (x & 1)
			x = (x >> 1) | ~(~0 >> 1);
		else
			x = x >> 1;
	return x;
}

int main(void)
{
	printf("%d\n", rightrot(0xFF, 1));
	return 0;
}