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diff --git a/sys/netiso/tp_timer.h b/sys/netiso/tp_timer.h
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+/*-
+ * Copyright (c) 1991, 1993
+ *	The Regents of the University of California.  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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
+ *
+ *	@(#)tp_timer.h	8.1 (Berkeley) 6/10/93
+ */
+
+/***********************************************************
+		Copyright IBM Corporation 1987
+
+                      All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its 
+documentation for any purpose and without fee is hereby granted, 
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in 
+supporting documentation, and that the name of IBM not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.  
+
+IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+******************************************************************/
+
+/*
+ * ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison
+ */
+/* 
+ * ARGO TP
+ *
+ * $Header: tp_timer.h,v 5.1 88/10/12 12:21:41 root Exp $
+ * $Source: /usr/argo/sys/netiso/RCS/tp_timer.h,v $
+ *
+ * ARGO TP
+ * The callout structures used by the tp timers.
+ */
+
+#ifndef __TP_TIMER__
+#define __TP_TIMER__
+
+#define SET_DELACK(t) {\
+    (t)->tp_flags |= TPF_DELACK; \
+    if ((t)->tp_fasttimeo == 0)\
+		{ (t)->tp_fasttimeo = tp_ftimeolist; tp_ftimeolist = (t); } }
+
+#ifdef ARGO_DEBUG
+#define TP_DEBUG_TIMERS
+#endif
+
+#ifndef TP_DEBUG_TIMERS
+#define tp_ctimeout(tpcb, which, timo) ((tpcb)->tp_timer[which] = (timo))
+#define tp_cuntimeout(tpcb, which) ((tpcb)->tp_timer[which] = 0)
+#define tp_etimeout tp_ctimeout
+#define tp_euntimeout tp_cuntimeout
+#define tp_ctimeout_MIN(p, w, t) \
+    { if((p)->tp_timer[w] > (t)) (p)->tp_timer[w] = (t);}
+#endif /* TP_DEBUG_TIMERS */
+
+#endif /* __TP_TIMER__ */