Square of two number

#include<stdio.h>
#include<conio.h>
void main()
{
int sqr(int);
int num,s;
clrscr();
printf("Enter the number\n");
scanf("%d",&num);
s=sqr(num);
printf("num=%d\nSquare of number=%d\n",num,s);
getch();
}


int sqr(int x)
{
int t;
t=x*x;
return t;
}


OUTPUT:

Enter the number

5

num=5

Square of number=25