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

#define dbg_print_int_if_even(n)              \
    do {                                      \
        if((n) % 2 == 0) {                    \
            printf("%s == %d\n", (#n), (n));  \
        }                                     \
    } while(false)
// IMPORANT:  We do NOT use a semicolon at the end of this.

int main(int argc, char* argv[]) {
    for(int i = 0; i < 10; i++) {
        dbg_print_int_if_even(i);
    }
    
    return EXIT_SUCCESS;
}
/* vim: set tabstop=4 shiftwidth=4 fileencoding=utf-8 noexpandtab: */