Function Program20

//With return value, with argument .. square of number

#include<stdio.h>

#include<conio.h>

int sqr(int);

void main()

{

int no, s;

clrscr();

printf("\nEnter number: ");

scanf("%d", &no);

s = sqr(no);

printf("\n\nSquare of number is %d", s);

getch();

}

int sqr(int x)

{

return x*x;

}