hand.h

#ifndef _HAND_H
#define _HAND_H
#include "card.h"

#define CARD_BASE 13
#define HAND_NUM 7
#define CARD_NUM 5
typedef card_t *hand_t;

typedef enum hand_level_s {
    HIGH_CARD,
    ONE_PAIR,
    TWO_PAIR,
    THREE_OF_A_KIND,
    STRAIGHT,
    FLUSH,
    FULL_HORSE,
    FOUR_OF_A_KIND,
    STRAIGHT_FLUSH,
} hand_level_t;

#define SET_RANK(score, rank) ((score) |= ((rank) << 20))
#define GET_RANK(score) ((score) >> 20)

typedef struct  hand_rank_s {
    unsigned int score;
    unsigned int mask;
} hand_rank_t;

const char *level_to_string(hand_level_t);
hand_rank_t calc_rank(hand_t hand);
int hand_to_string(card_t *cards, hand_rank_t rank, char *buffer, int size);
#endif