#include "libcards.h"

int
card_color(int card){

	return card < CARD_HEART_A ? -1 : card_rank(card) < CARD_SUIT_CLOVER;
}

int
card_rank(int card){ return card < CARD_HEART_A ? -1 : card % 0x10; }

int
card_suit(int card){

	return card < CARD_HEART_A ? -1 : card / CARD_SUIT_HEART;
}