diff --git a/sys/time.h b/sys/time.h
new file mode 100644
index 0000000..9bea657
--- /dev/null
+++ b/sys/time.h
@@ -0,0 +1,18 @@
+#ifndef LPC_TIME_H_
+#define LPC_TIME_H_ 1
+
+/* Indices into the array returned from gmtime() and localtime(). */
+
+#define TM_SEC    0  /* Seconds (0..59) */
+#define TM_MIN    1  /* Minutes (0..59) */
+#define TM_HOUR   2  /* Hours (0..23) */
+#define TM_MDAY   3  /* Day of the month (1..31) */
+#define TM_MON    4  /* Month of the year (0..11) */
+#define TM_YEAR   5  /* Year (e.g.  2001) */
+#define TM_WDAY   6  /* Day of the week (Sunday = 0) */
+#define TM_YDAY   7  /* Day of the year (0..365) */
+#define TM_ISDST  8  /* TRUE: Daylight saving time */
+
+#define TM_MAX 9  /* Number of entries in the array */
+
+#endif /* LPC_TIME_H_ */