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diff --git a/gfsm/gfsm/src/libgfsm/gfsmVersion.h b/gfsm/gfsm/src/libgfsm/gfsmVersion.h
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+
+/*=============================================================================*\
+ * File: gfsmVersion.h
+ * Author: Bryan Jurish <moocow@ling.uni-potsdam.de>
+ * Description: finite state machine library
+ *
+ * Copyright (c) 2004-2007 Bryan Jurish.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ * 
+ * This library 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
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *=============================================================================*/
+
+/** \file gfsmVersion.h
+ *  \brief Library version information
+ */
+
+#ifndef _GFSM_VERSION_H
+#define _GFSM_VERSION_H
+
+#include <glib.h>
+
+/*======================================================================
+ * Types
+ */
+/// Library Version information
+typedef struct {
+  guint32 major;   /**< major version */
+  guint32 minor;   /**< minor version */
+  guint32 micro;   /**< micro version */
+} gfsmVersionInfo;
+
+/*======================================================================
+ * Constants
+ */
+/** Current version information */
+extern const gfsmVersionInfo gfsm_version;
+
+/** Current version string */
+extern const char *gfsm_version_string;
+
+/*======================================================================
+ * Comparison
+ */
+/** 3-way comparison two gfsmVersionInfo structures */
+int gfsm_version_compare(gfsmVersionInfo v1, gfsmVersionInfo v2);
+
+/** Equality check for gfsmVersionInfo structures */
+#define gfsm_version_eq(v1,v2) (gfsm_version_compare((gfsmVersionInfo)(v1),(gfsmVersionInfo)(v2))==0)
+
+/** Less-than comparison for gfsmVersionInfo structures: v1 < v2 */
+#define gfsm_version_less(v1,v2) (gfsm_version_compare((gfsmVersionInfo)(v1),(gfsmVersionInfo)(v2))<0)
+
+/** Less-than-or-equal comparison for gfsmVersionInfo structures: v1 <= v2 */
+#define gfsm_version_le(v1,v2) (gfsm_version_compare((gfsmVersionInfo)(v1),(gfsmVersionInfo)(v2))<=0)
+
+/** Greater-than comparison for gfsmVersionInfo structures: v1 > v2 */
+#define gfsm_version_greater(v1,v2) (gfsm_version_compare((gfsmVersionInfo)(v1),(gfsmVersionInfo)(v2))>0)
+
+/** Greater-than-or-equal comparison for gfsmVersionInfo structures: v1 >= v2 */
+#define gfsm_version_ge(v1,v2) (gfsm_version_compare((gfsmVersionInfo)(v1),(gfsmVersionInfo)(v2))>=0)
+
+#endif /* _GFSM_VERSION_H */