time.h ファイルリファレンス

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データ構造体
struct	tm
struct	week_date

マクロ
#define	ONE_HOUR   3600
#define	ONE_DEGREE   3600
#define	ONE_DAY   86400
#define	UNIX_OFFSET   946684800
#define	NTP_OFFSET   3155673600

型定義
typedef uint32_t	time_t

列挙型
enum	_WEEK_DAYS_ {   SUNDAY, MONDAY, TUESDAY, WEDNESDAY,   THURSDAY, FRIDAY, SATURDAY }
enum	_MONTHS_ {   JANUARY, FEBRUARY, MARCH, APRIL,   MAY, JUNE, JULY, AUGUST,   SEPTEMBER, OCTOBER, NOVEMBER, DECEMBER }

関数
time_t	time (time_t *timer)
int32_t	difftime (time_t time1, time_t time0)
time_t	mktime (struct tm *timeptr)
time_t	mk_gmtime (const struct tm *timeptr)
struct tm *	gmtime (const time_t *timer)
void	gmtime_r (const time_t *timer, struct tm *timeptr)
struct tm *	localtime (const time_t *timer)
void	localtime_r (const time_t *timer, struct tm *timeptr)
char *	asctime (const struct tm *timeptr)
void	asctime_r (const struct tm *timeptr, char *buf)
char *	ctime (const time_t *timer)
void	ctime_r (const time_t *timer, char *buf)
char *	isotime (const struct tm *tmptr)
void	isotime_r (const struct tm *, char *)
size_t	strftime (char *s, size_t maxsize, const char *format, const struct tm *timeptr)
void	set_dst (int(*)(const time_t *, int32_t *))
void	set_zone (int32_t)
void	set_system_time (time_t timestamp)
void	system_tick (void)
uint8_t	is_leap_year (int16_t year)
uint8_t	month_length (int16_t year, uint8_t month)
uint8_t	week_of_year (const struct tm *timeptr, uint8_t start)
uint8_t	week_of_month (const struct tm *timeptr, uint8_t start)
struct week_date *	iso_week_date (int year, int yday)
void	iso_week_date_r (int year, int yday, struct week_date *)
uint32_t	fatfs_time (const struct tm *timeptr)
void	set_position (int32_t latitude, int32_t longitude)
int16_t	equation_of_time (const time_t *timer)
int32_t	daylight_seconds (const time_t *timer)
time_t	solar_noon (const time_t *timer)
time_t	sun_rise (const time_t *timer)
time_t	sun_set (const time_t *timer)
double	solar_declination (const time_t *timer)
int8_t	moon_phase (const time_t *timer)
unsigned long	gm_sidereal (const time_t *timer)
unsigned long	lm_sidereal (const time_t *timer)