glibc/include/time.h

73 lines
2.3 KiB
C

#ifndef _TIME_H
#if defined __need_time_t || defined __need_clock_t || defined __need_timespec
# include <time/time.h>
#else
# include <time/time.h>
/* Now define the internal interfaces. */
struct tm;
/* Defined in mktime.c. */
extern const unsigned short int __mon_yday[2][13] attribute_hidden;
/* Defined in localtime.c. */
extern struct tm _tmbuf attribute_hidden;
/* Defined in tzset.c. */
extern char *__tzstring (const char *string);
/* Defined in tzset.c. */
extern size_t __tzname_cur_max attribute_hidden;
extern int __use_tzfile attribute_hidden;
extern void __tzfile_read (const char *file, size_t extra,
char **extrap);
extern int __tzfile_compute (time_t timer, int use_localtime,
long int *leap_correct, int *leap_hit,
struct tm *tp);
extern void __tzfile_default (const char *std, const char *dst,
long int stdoff, long int dstoff);
/* Subroutine of `mktime'. Return the `time_t' representation of TP and
normalize TP, given that a `struct tm *' maps to a `time_t' as performed
by FUNC. Keep track of next guess for time_t offset in *OFFSET. */
extern time_t __mktime_internal (struct tm *__tp,
struct tm *(*__func) (const time_t *,
struct tm *),
time_t *__offset);
extern struct tm *__localtime_r (__const time_t *__timer,
struct tm *__tp) attribute_hidden;
extern struct tm *__gmtime_r (__const time_t *__restrict __timer,
struct tm *__restrict __tp);
/* Compute the `struct tm' representation of *T,
offset OFFSET seconds east of UTC,
and store year, yday, mon, mday, wday, hour, min, sec into *TP.
Return nonzero if successful. */
extern int __offtime (__const time_t *__timer,
long int __offset,
struct tm *__tp);
extern char *__asctime_r (__const struct tm *__tp, char *__buf);
extern void __tzset (void);
/* Prototype for the internal function to get information based on TZ. */
extern struct tm *__tz_convert (const time_t *timer, int use_localtime, struct tm *tp);
/* Return the maximum length of a timezone name.
This is what `sysconf (_SC_TZNAME_MAX)' does. */
extern long int __tzname_max (void);
extern int __nanosleep (__const struct timespec *__requested_time,
struct timespec *__remaining);
extern int __getdate_r (__const char *__string, struct tm *__resbufp);
/* Determine CLK_TCK value. */
extern int __getclktck (void);
#endif
#endif