Write a program to functions to passing no arguments an returning no values.
#include <stdio.h>
#include <conio.h>
void sum (void);
void main()
{
sum();
getch();
}
void sum(void){
int add, a, b;
printf("Enter two numbers:");
scanf("%d%d",&a,&b);
add=a+b;
printf("n the sum is %d",add);
}
Output
