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diff --git a/engines/sci/sfx/sfx_timer.h b/engines/sci/sfx/sfx_timer.h
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+++ b/engines/sci/sfx/sfx_timer.h
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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#ifndef _FREESCI_SFX_TIMER_H_
+#define _FREESCI_SFX_TIMER_H_
+
+#include "sci/sfx/sfx_core.h"
+
+namespace Sci {
+
+typedef struct {
+	int delay_ms; /* Approximate delay (in milliseconds) between calls */
+
+	int (*init)(void (*callback)(void *data), void *data);
+	/* Initializes the timer
+	** Parameters: (void* -> void) callback:
+	**                                   'data' must contain the next argument:
+	**             (void *) data: Must always be passed to the callback
+	** Returns   : (int) SFX_OK on success, SFX_ERROR on failure
+	** This does not start the timer yet, it just specifies and initializes it.
+	** This function is called exactly once (provided that the timer is used at all).
+	*/
+
+	int (*exit)();
+	/* Stops the timer
+	** Returns   : (int) SFX_OK on success, SFX_ERROR on failure
+	** All resources allocated with the timer should be freed as an effect
+	** of this.
+	*/
+} sfx_timer_t;
+
+} // End of namespace Sci
+
+#endif /* !_FREESCI_SFX_TIMER_H_ */