65 enum { atime_shift = CHAR_BIT * sizeof(time_t) - 2 };
66 static time_t const absolute_min_time =
67   ((time_t) -1 < 0
68    ? (- ((time_t) ~ (time_t) 0 < 0)
69       - (((time_t) 1 << atime_shift) - 1 + ((time_t) 1 << atime_shift)))
71 static time_t const absolute_max_time =
72   ((time_t) -1 < 0
73    ? (((time_t) 1 << atime_shift) - 1 + ((time_t) 1 << atime_shift))
83 static time_t hunt(timezone_t, time_t, time_t, bool);
84 static void show(timezone_t, char *, time_t, bool);
85 static void showextrema(timezone_t, char *, time_t, struct tm *, time_t);
86 static void showtrans(char const *, struct tm const *, time_t, char const *,
89 ATTRIBUTE_PURE_114833 static time_t yeartot(intmax_t);
169 gmtime_r(time_t *tp, struct tm *tmp)  in gmtime_r()
196 localtime_r(time_t *tp, struct tm *tmp)  in localtime_r()
210 localtime_rz(ATTRIBUTE_MAYBE_UNUSED timezone_t rz, time_t *tp, struct tm *tmp)  in localtime_rz()
218 static time_t
330 my_gmtime_r(time_t *tp, struct tm *tmp)  in my_gmtime_r()
340 my_localtime_rz(timezone_t tz, time_t *tp, struct tm *tmp)  in my_localtime_rz()
345 		register time_t	t;  in my_localtime_rz()
467 	register time_t		cutlotime;  in main()
468 	register time_t		cuthitime;  in main()
469 	time_t			now;  in main()
587 		time_t t;  in main()
607 				time_t newt = cutlotime;  in main()
624 		  time_t newt = ((t < absolute_max_time - SECSPERDAY / 2  in main()
653 			time_t newt = absolute_max_time;  in main()
671 static time_t
675 	register time_t		t;  in yeartot()
721 static time_t
722 hunt(timezone_t tz, time_t lot, time_t hit, bool only_ok)  in hunt()
741 		time_t t = (rem_sum == 2) - (rem_sum < 0) + lot / 2 + hit / 2;  in hunt()
810 gmtoff(struct tm const *a, ATTRIBUTE_MAYBE_UNUSED time_t *t,  in gmtoff()
834 show(timezone_t tz, char *zone, time_t t, bool v)  in show()
879 showextrema(timezone_t tz, char *zone, time_t lo, struct tm *lotmp, time_t hi)  in showextrema()
882   time_t t, boundary = hunt(tz, lo, hi, true);  in showextrema()
984 format_utc_offset(char *buf, ptrdiff_t size, struct tm const *tm, time_t t)  in format_utc_offset()
1056 	  struct tm const *tm, time_t t, char const *ab, char const *zone_name)  in istrftime()
1134 showtrans(char const *time_fmt, struct tm const *tm, time_t t, char const *ab,  in showtrans()
1181 	  _Generic(+ (time_t) 0,  in tformat()
1188 	fmt = _Generic((time_t) 0,  in tformat()
1194 	if (0 > (time_t) -1) {		/* signed */  in tformat()
1195 		if (sizeof(time_t) == sizeof(intmax_t))  in tformat()
1197 		if (sizeof(time_t) > sizeof(long))  in tformat()
1199 		if (sizeof(time_t) > sizeof(int))  in tformat()
1204 	if (sizeof(time_t) == sizeof(uintmax_t))  in tformat()
1207 	if (sizeof(time_t) > sizeof(unsigned long))  in tformat()
1209 	if (sizeof(time_t) > sizeof(unsigned int))  in tformat()