Added public files
Roughly added all public files. Probably missed some, though.
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_ */