Program to implement a simple function

/* Aim : program to implement a simple function In this program we are creating simple add() function which takes two numbers as input and some of them as output*/ #include<stdio.h> #include<conio.h> void add(); // Function prototype or signature int main() { clrscr(); add(); // Function calling add(); getch(); } void add() // Function definition { int x,y; printf("enter two no."); scanf("%d%d",&x,&y); printf("sum is %d\n\n",x+y); }