C Program to find square of a number using macro functions

Program

#include<stdio.h>
#define SQUARE(x) ((x)*(x))
void main()
{
	int y, x;
	printf("Enter a number:\t");
	scanf("%d", &x);
	y = SQUARE(x);
	printf("Squared number is:\t%d\n", y);
}

Output

Enter a number:	5
Squared number is:	25