Function
#include <stdio.h>
void func(int a, int b);
int main()
{
int x = 10, y = 20;
func(x, y);
printf("x = %d, y = %d\n", x, y);
return 0;
}
void func(int a, int b)
{
a++;
b--;
printf("a = %d, b = %d\n", a, b);
}
Output
a = 11, b = 19
x = 10, y = 20