--- /dev/null
+/*
+ * loc_time.h - some local definitions
+ */
+/* $Header$ */
+
+#define YEAR0 1900 /* the first year */
+#define EPOCH_YR 1970 /* EPOCH = Jan 1 1970 00:00:00 */
+#define SECS_DAY (24L * 60L * 60L)
+#define LEAPYEAR(year) (!((year) % 4) && (((year) % 100) || !((year) % 400)))
+#define YEARSIZE(year) (LEAPYEAR(year) ? 366 : 365)
+#define FIRSTSUNDAY(timp) (((timp)->tm_yday - (timp)->tm_wday + 420) % 7)
+#define FIRSTDAYOF(timp) (((timp)->tm_wday - (timp)->tm_yday + 420) % 7)
+#define TIME_MAX ULONG_MAX
+#define ABB_LEN 3
+
+extern const int _ytab[2][12];
+extern const char *_days[];
+extern const char *_months[];
+
+void _tzset(void);
+unsigned _dstget(struct tm *timep);
+
+extern long _timezone;
+extern long _dst_off;
+extern int _daylight;
+extern char *_tzname[2];