Get The Closest Multiple Of Four Of An Integer

closestMultipleOfFour.c

#include <stdio.h>

int closestMultipleOfFour(int num);

int main()
{
	for(int i = 0; i < 20; i++)
		printf("%2d : %2d\n", i, closestMultipleOfFour(i));
	
	return 0;
}

int closestMultipleOfFour(int num)
{
	return (num + 3) & ~0x03;
}