//en.cppreference.com/w/c/language/operator_incdec.html
#include <stdio.h>
#include <stdlib.h>
int main(void)
{
int a = 1;
int b = 1;
printf("original values: a == %d, b == %d\n", a, b);
printf("result of postfix operators: a++ == %d, b-- == %d\n", a++, b--);
printf("after postfix operators applied: a == %d, b == %d\n", a, b);
printf("\n");
// Reset a and b.
a = 1;
b = 1;
printf("original values: a == %d, b == %d\n", a, b);
printf("result of prefix operators: ++a == %d, --b == %d\n", ++a, --b);
printf("after prefix operators applied: a == %d, b == %d\n", a, b);
}