#include <stdio.h>
void get_sum_diff(int x, int y, int* p_sum, int* p_diff);
int main(void)
{
int x;
int y;
int r, s;
printf("Enter an integer");
scanf_s("%d %d", &x, &y);
void get_sum_diff(x, y, &r, &s);
printf("sum of elements = %d", r);
printf ("the difference between elements = %d", s);
return 0;
}
void get_sum_diff(int x, int y, int* p_sum, int* p_diff)
{
*p_sum = x + y;
*p_diff = x - y;
}
It's a program that makes a function with a pointer as a parameter and gives the sum and the difference of the elements.
I tried to run the get_sum_diff function in the main function, but the &r and &s were red lines
They need an identifier, where is it wrong?
The problem did not occur in scanf_s, but the code below is the problem.
void get_sum_diff(x, y, &r, &s);
When using (calling) a function, it must be used without void as shown below. Note return values such as void only when declaring or defining a function; not when calling a function.
get_sum_diff(x, y, &r, &s);
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