#include <stdio.h>

int main()
{

  unsigned char x0; /* could be other int data type */
  unsigned char x1; /* could be other int data type */
  unsigned char y0; /* could be other int data type */
  unsigned char y1; /* could be other int data type */
  unsigned char z0; /* could be other int data type */
  unsigned char z1; /* could be other int data type */

  x0 = 0;
  x1 = 255;

  y0 = x0 & 1;       /* bit operation on lsb */
  y1 = x1 & 1;       /* bit operation on lsb */

  z0 = (x0 == 255);  /* logic operator */
  z1 = (x1 == 255);  /* logic operator */

  printf("x1 = %3d (0x%02x hex), x1 = %3d (0x%02x hex)\n", x0, x0, x1, x1);

  printf("y0 = %3d (0x%02x hex), y1 = %3d (0x%02x hex)\n", y0, y0, y1, y1);

  printf("z0 = %3d (0x%02x hex), z1 = %3d (0x%02x hex)\n", z0, z0, z1, z1);

  return 0;
}