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

// WRONG (naïve way)
#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

    // TRICKY!!!!
    printf("add_five(100) * 20 == %d\n",  add_five(100) * 20);  //  print 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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