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diff --git a/frontends/riscos/query.h b/frontends/riscos/query.h
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+/*
+ * Copyright 2005 Adrian Lees <adrianl@users.sourceforge.net>
+ *
+ * This file is part of NetSurf, http://www.netsurf-browser.org/
+ *
+ * NetSurf 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; version 2 of the License.
+ *
+ * NetSurf 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _NETSURF_RISCOS_QUERY_H
+#define _NETSURF_RISCOS_QUERY_H
+
+#include <stdbool.h>
+#include "oslib/wimp.h"
+
+enum query_response {
+ QUERY_CONTINUE,
+ QUERY_YES,
+ QUERY_NO,
+ QUERY_ESCAPE
+};
+
+typedef int query_id;
+
+#define QUERY_INVALID ((query_id)-1)
+
+typedef struct
+{
+ void (*confirm)(query_id id, enum query_response res, void *pw);
+ void (*cancel)(query_id, enum query_response res, void *pw);
+} query_callback;
+
+
+query_id query_user_xy(const char *query, const char *detail,
+ const query_callback *cb, void *pw, const char *yes, const char *no,
+ int x, int y);
+void ro_gui_query_init(void);
+void ro_gui_query_window_bring_to_front(query_id id);
+
+query_id query_user(const char *query, const char *detail,
+ const query_callback *cb, void *pw, const char *yes, const char *no);
+void query_close(query_id);
+
+#endif