void cal_init(void);
void cal_load(year_t year, month_t month, day_t day, int days);
void cal_config(const char *group, const char *name, const char *key, const char *value);
void cal_init(void);
void cal_load(year_t year, month_t month, day_t day, int days);
void cal_config(const char *group, const char *name, const char *key, const char *value);