lunar-calendar/c/lunarcalbase.h

#define MAX_SOLARTERMS 27
#define MAX_NEWMOONS 15
#define MAX_DAYS 450
#define CACHESIZE 5

struct lunarcal {
    double jd;
    int solarterm;    /* index of solarterm */
    int month;        /* month in Lunar Calendar */
    int day;          /* day in Lunar Calendar */
};

/* Function prototypes */
void cn_lunarcal(int year);

int get_cached_lc(struct lunarcal *p[], int year);

double normjd(double jd, double tz);

int find_leap(void);

int mark_month_day(struct lunarcal *lcs[]);

struct lunarcal *lcalloc(double jd);

void print_lunarcal(struct lunarcal *p[], int len);

int get_cache_index(int year);