1 files changed, 20 insertions, 0 deletions
diff --git a/datetime.h b/datetime.h
new file mode 100644
index 0000000..cde2a9b
--- /dev/null
+++ b/datetime.h
@@ -0,0 +1,20 @@
+#ifndef DATETIME_H
+#define DATETIME_H
+
+struct datetime {
+  int hour;
+  int min;
+  int sec;
+  int wday;
+  int mday;
+  int yday;
+  int mon;
+  int year;
+} ;
+
+typedef long datetime_sec;
+
+extern void datetime_tai();
+extern datetime_sec datetime_untai();
+
+#endif