#include<stdio.h>

typedef int HorseCount;
typedef char bool;
// do constants like this
#define HORSE_LIMIT 5

// In C++ you'd do this:
// const int HORSE_LIMIT = 5;
// Any compiler worth its salt won't allocate memory for this

#define false 0
#define true 1

#define expand_3X(A) A A   A 

#define print_start printf(

#define print_stop );

void see_horse(HorseCount *sofar){
	printf("What a nice horse!\n");
	(*sofar)++;
}

int main(){

	HorseCount hc = 1;
	hc++;
	see_horse(&hc);
	see_horse(&hc);
	see_horse(&hc);
	see_horse(&hc);
	see_horse(&hc);
	printf("We have seen %d horses.\n", hc);

	bool enough_horses = hc > HORSE_LIMIT;
	if(enough_horses)
		printf("That's enough horses for today!\n");

	if(enough_horses == false)
		printf("Let's go find more horses!\n");
	
	printf("enough_horses as an int = %d\n", enough_horses); 

	printf("Thing we're printing:  %d\n", 15 + true);

	printf("%s\n", expand_3X("hi"));
	// What it expanded to
	printf("%s\n", "hi" "hi"  "hi");

	// Silly use of macros
	print_start 
		"\n"
		"output\n" 
		"line two\n"
		"line three\n"
	print_stop

	return 0;
}