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diff --git a/libmap/tz.h b/libmap/tz.h
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+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/* Generic timezone utilities.
+ *
+ * Copyright (C) 2000-2001 Ximian, Inc.
+ *
+ * Authors: Hans Petter Jansson <hpj@ximian.com>
+ * 
+ * Largely based on Michael Fulbright's work on Anaconda.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef _E_TZ_H
+#define _E_TZ_H
+
+#include <glib.h>
+
+#ifndef __sun
+#  define TZ_DATA_FILE "/usr/share/zoneinfo/zone.tab"
+#else
+#  define TZ_DATA_FILE "/usr/share/lib/zoneinfo/tab/zone_sun.tab"
+#endif
+
+typedef struct _TzDB TzDB;
+typedef struct _TzLocation TzLocation;
+typedef struct _TzInfo TzInfo;
+
+
+struct _TzDB
+{
+	GPtrArray *locations;
+};
+
+struct _TzLocation
+{
+	gchar *country;
+	gdouble latitude;
+	gdouble longitude;
+	gchar *zone;
+	gchar *comment;
+
+	gdouble dist; /* distance to clicked point for comparison */
+};
+
+/* see the glibc info page information on time zone information */
+/*  tzname_normal    is the default name for the timezone */
+/*  tzname_daylight  is the name of the zone when in daylight savings */
+/*  utc_offset       is offset in seconds from utc */
+/*  daylight         if non-zero then location obeys daylight savings */
+
+struct _TzInfo
+{
+	gchar *tzname_normal;
+	gchar *tzname_daylight;
+	glong utc_offset;
+	gint daylight;
+};
+
+
+TzDB      *tz_load_db                 (void);
+void       tz_db_free                 (TzDB *db);
+GPtrArray *tz_get_locations           (TzDB *db);
+void       tz_location_get_position   (TzLocation *loc,
+				       double *longitude, double *latitude);
+char      *tz_location_get_country    (TzLocation *loc);
+gchar     *tz_location_get_zone       (TzLocation *loc);
+gchar     *tz_location_get_comment    (TzLocation *loc);
+glong      tz_location_get_utc_offset (TzLocation *loc);
+gint       tz_location_set_locally    (TzLocation *loc);
+TzInfo    *tz_info_from_location      (TzLocation *loc);
+void       tz_info_free               (TzInfo *tz_info);
+
+#endif