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

// FIXED by adding parentheses around entire expression
#define add_five(n)  (n + 5)

int main(int argc, char* argv[]) {
    printf("add_five(100)== %d\n",  add_five(100) );  // print add_five(100) == 105
    // Preprocessor will replace  add_five(100)  with 100 + 5

    // FIXED
    printf("add_five(100) * 20 == %d\n",  add_five(100) * 20);  // ⇒ (add_five(100) * 20) == 200
    // Preprocessor will replace  add_five(100) * 20  with  (100 + 5) * 20

    return EXIT_SUCCESS;
}
/* vim: set tabstop=4 shiftwidth=4 fileencoding=utf-8 noexpandtab: */

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