#include
void swap(int *k, int *j);
int main(void)
{
int num1, num2;
num1 = 123;
num2 = 166;
printf("num1 = %d num2 = %d\n", num1, num2);
swap(&num1, &num2);
printf("num1 = %d num2 = %d\n", num1, num2);
return 0;
}
/* Exchange the values by pointers. */
void swap(int *k, int *j)
{
int temp;
temp = *k;
*k = *j;
*j = temp;
}