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diff --git a/sys/contrib/ngatm/netnatm/sig/uni.h b/sys/contrib/ngatm/netnatm/sig/uni.h
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+/*
+ * Copyright (c) 2001-2003
+ *	Fraunhofer Institute for Open Communication Systems (FhG Fokus).
+ * 	All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * Author: Hartmut Brandt <harti@freebsd.org>
+ *
+ * $Begemot: libunimsg/netnatm/sig/uni.h,v 1.5 2004/07/08 08:22:24 brandt Exp $
+ *
+ * Public UNI interface
+ */
+#ifndef _NETNATM_SIG_UNI_H_
+#define _NETNATM_SIG_UNI_H_
+
+#include <netnatm/sig/unidef.h>
+
+struct uni;
+
+/* functions to be supplied by the user */
+struct uni_funcs {
+	/* output to the upper layer */
+	void	(*uni_output)(struct uni *, void *, enum uni_sig,
+		    uint32_t, struct uni_msg *);
+
+	/* output to the SAAL */
+	void	(*saal_output)(struct uni *, void *, enum saal_sig,
+		    struct uni_msg *);
+
+	/* verbosity */
+	void	(*verbose)(struct uni *, void *, enum uni_verb,
+		    const char *, ...) __printflike(4, 5);
+
+	/* function to 'print' status */
+	void	(*status)(struct uni *, void *, void *,
+		    const char *, ...) __printflike(4, 5);
+
+#ifndef _KERNEL
+	/* start a timer */
+	void	*(*start_timer)(struct uni *, void *, u_int,
+		    void (*)(void *), void *);
+
+	/* stop a timer */
+	void	(*stop_timer)(struct uni *, void *, void *);
+#endif
+};
+
+/* create a UNI instance */
+struct uni *uni_create(void *, const struct uni_funcs *);
+
+/* destroy a UNI instance, free all resources */
+void uni_destroy(struct uni *);
+
+/* generate a status report */
+void uni_status(struct uni *, void *);
+
+/* get current instance configuration */
+void uni_get_config(const struct uni *, struct uni_config *);
+
+/* set new instance configuration */
+void uni_set_config(struct uni *, const struct uni_config *,
+	uint32_t *, uint32_t *, uint32_t *);
+
+/* input from the SAAL to the instance */
+void  uni_saal_input(struct uni *, enum saal_sig, struct uni_msg *);
+
+/* input from the upper layer to the instance */
+void uni_uni_input(struct uni *, enum uni_sig, uint32_t, struct uni_msg *);
+
+/* do work on pending signals */
+void uni_work(struct uni *);
+
+/* set debuging level */
+void uni_set_debug(struct uni *, enum uni_verb, u_int level);
+u_int uni_get_debug(const struct uni *, enum uni_verb);
+
+/* reset a UNI instance */
+void uni_reset(struct uni *);
+
+/* states */
+u_int uni_getcustate(const struct uni *);
+
+/* return a reference to the coding/decoding context */
+struct unicx *uni_context(struct uni *);
+
+#endif