#include <stdio.h>
/*
* Rotate variable values clockwise
*/
void
rotate3(int *a, int *b, int *c)
{
int tmp;
tmp = *c;
*c = *b;
*b = *a;
*a = tmp;
}
main()
{
int v1, v2, v3;
v1 = 1;
v2 = 2;
v3 = 3;
rotate3(&v1, &v2, &v3);
printf("Expect 3 1 2: [%d %d %d]\n", v1, v2, v3);
}