/* June 16, 1998 */
/* program to find average and sum using pointers */
/* function prototype */
void sum_n_avg(int n1, int n2, int n3, int *sump, double *avgp);
main ()
{
/* declarations */
int x1, x2, x3;
int sum;
double average;
/* request for input */
printf("Please enter 3 integers> ");
scanf("%d%d%d", &x1, &x2, &x3);
/* function call to compute sum and average */
sum_n_avg(x1, x2, x3, &sum, &average);
/* display results */
printf("sum = %d, avg = %f\n", sum , average);
}
/* function definition */
void
sum_n_avg(int n1, int n2, int n3, int *sump, double *avgp)
{
*sump = n1 + n2 + n3;
*avgp = *sump/3.0;
}