#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <assert.h>

// WRONG
#define add_5(n)  ((n) + 5)

int main(int argc, char* argv[]) {
    int a = 5;
    int b = add_5(a);
    // becomes:  int b = a + 5;
    printf("add_5(%d) == %d\n", a, b);

    int c = add_5(a)  *  10;
    // becomes:  int c = a + 5  *  10;    ///  WRONG!!!  missing parentheses
    printf("add_5(%d) * 10 == %d\n", a, c);

    return EXIT_SUCCESS;
}
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