(svn r11702) -Codechange: move all date related stuff to date*.

src/date_func.h

@@ -0,0 +1,19 @@
+/* $Id$ */
+
+/** @file date_func.h Functions related to dates. */
+
+#ifndef DATE_FUNC_H
+#define DATE_FUNC_H
+
+#include "date_type.h"
+
+extern Year      _cur_year;
+extern Month     _cur_month;
+extern Date      _date;
+extern DateFract _date_fract;
+
+void SetDate(Date date);
+void ConvertDateToYMD(Date date, YearMonthDay *ymd);
+Date ConvertYMDToDate(Year year, Month month, Day day);
+
+#endif /* DATE_FUNC_H */