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diff --git a/riscos/sprite.h b/riscos/sprite.h
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+/*
+ * This file is part of NetSurf, http://netsurf.sourceforge.net/
+ * Licensed under the GNU General Public License,
+ * http://www.opensource.org/licenses/gpl-license
+ * Copyright 2003 John M Bell <jmb202@ecs.soton.ac.uk>
+ */
+
+#ifndef _NETSURF_RISCOS_SPRITE_H_
+#define _NETSURF_RISCOS_SPRITE_H_
+
+#include "oslib/osspriteop.h"
+
+struct content;
+
+struct content_sprite_data {
+ void* data;
+ unsigned long length;
+};
+
+void sprite_init(void);
+void sprite_create(struct content *c);
+void sprite_process_data(struct content *c, char *data, unsigned long size);
+int sprite_convert(struct content *c, unsigned int width, unsigned int height);
+void sprite_revive(struct content *c, unsigned int width, unsigned int height);
+void sprite_reformat(struct content *c, unsigned int width, unsigned int height);
+void sprite_destroy(struct content *c);
+void sprite_redraw(struct content *c, long x, long y,
+ unsigned long width, unsigned long height,
+ long clip_x0, long clip_y0, long clip_x1, long clip_y1);
+#endif