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#include "libcards.h"
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int
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card_color(int card){
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return card < CARD_HEART_A ? -1 : card_rank(card) < CARD_SUIT_CLOVER;
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}
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int
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card_rank(int card){ return card < CARD_HEART_A ? -1 : card % 0x10; }
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int
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card_suit(int card){
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return card < CARD_HEART_A ? -1 : card / CARD_SUIT_HEART;
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}
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