/**
 * Some macro examples.
 */

#include <stdio.h>

#define SQUARE(X) ((X)*(X))

#define DOUBLE(X) ((X)+(X))

int
main (int argc, char *argv[])
{
  // printf ("%d squared is %d.\n", 5, SQUARE(5));
  // printf ("%d squared is %d.\n", 2+3, SQUARE(2+3));
  printf ("DOUBLE(2+3)*3 is %d\n", DOUBLE(2+3)*3);
} // main