nee andukura

#include <stdio.h>
#include<conio.h>
long addTwoNumbers(long *, long *);
main()
{
 long fno, sno, *ptr, *qtr, sum;
 printf(" enter the first number : ");
 scanf("%ld", &fno);
 printf(" enter the second number : ");
 scanf("%ld", &sno);
 sum = addTwoNumbers(&fno, &sno);
 printf(" The sum of %ld and %ld is %ld\n\n", fno, sno, sum);
}
long addTwoNumbers(long *n1, long *n2)
{
 long sum;
 sum = *n1 + *n2;
 return sum;
}