C Program to evaluate the expression s=sqr(a()+b())

#include<stdio.h>

#include<conio.h>

#include<math.h>

 void main()

{

int s=0,a(),b(),sqr(int);

s=sqr(a()+b());

printf("\n square of sum=%d",s);

getch();

}

a()

{

int a;

printf("\n enter value of a;");

scanf("%d",&a);

return(a);

}

b()

{

int b;

printf("\n enter value of b;");

scanf("%d",&b);

return(b);

}

sqr(int x)

{

return(x*x);

}