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

// WORKING

#define call_fn_with_logging(fn) do { \
    printf("Entering %s\n", (#fn)); \
    fn(); \
    printf("Leaving %s\n", (#fn)); \
} while(false)




void greet() {
    printf("Hey, hey!\n");
}

int main(int argc, char* argv[]) {

    call_fn_with_logging( greet );
    // Expand to something equivalent to this:
    //   printf("Entering greet\n");
    //   greet();
    //   printf("Leaving greet\n");
    
    return EXIT_SUCCESS;
}
/*
 */
/* vim: set tabstop=4 shiftwidth=4 fileencoding=utf-8 noexpandtab: */