Index: head/include/netconfig.h
===================================================================
--- head/include/netconfig.h	(revision 326282)
+++ head/include/netconfig.h	(revision 326283)
@@ -1,96 +1,126 @@
-/*	$NetBSD: netconfig.h,v 1.1 2000/06/02 22:57:54 fvdl Exp $	*/
+/*	$NetBSD: netconfig.h,v 1.6 2008/04/28 20:22:54 martin Exp $	*/
 /*	$FreeBSD$ */
 
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-NetBSD
+ *
+ * Copyright (c) 2004 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Frank van der Linden.
+ *
+ * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
+ */
 
 #ifndef _NETCONFIG_H_
 #define _NETCONFIG_H_
 
 #include <sys/cdefs.h>
 
 #define NETCONFIG	"/etc/netconfig"
 #define NETPATH		"NETPATH"
 
 struct netconfig {
 	char *nc_netid;			/* Network ID */
 	unsigned long nc_semantics;	/* Semantics (see below) */
 	unsigned long nc_flag;		/* Flags (see below) */
 	char *nc_protofmly;		/* Protocol family */
 	char *nc_proto;			/* Protocol name */
 	char *nc_device;		/* Network device pathname */
 	unsigned long nc_nlookups;	/* Number of directory lookup libs */
 	char **nc_lookups;		/* Names of the libraries */
 	unsigned long nc_unused[9];	/* reserved */
 };
 
 typedef struct {
 	struct netconfig **nc_head;
 	struct netconfig **nc_curr;
 } NCONF_HANDLE;
 
 /*
  * nc_semantics values
  */
-#define NC_TPI_CLTS	1
-#define NC_TPI_COTS	2
-#define NC_TPI_COTS_ORD	3
-#define NC_TPI_RAW	4
+#define NC_TPI_CLTS	1	/* Connectionless transport */
+#define NC_TPI_COTS	2	/* Connection oriented transport */
+#define NC_TPI_COTS_ORD	3	/* Connection oriented, ordered transport */
+#define NC_TPI_RAW	4	/* Raw connection */
 
 /*
  * nc_flag values
  */
 #define NC_NOFLAG	0x00
 #define NC_VISIBLE	0x01
 #define NC_BROADCAST	0x02
 
 /*
  * nc_protofmly values
  */
 #define NC_NOPROTOFMLY	"-"
 #define NC_LOOPBACK	"loopback"
 #define NC_INET		"inet"
 #define NC_INET6	"inet6"
 #define NC_IMPLINK	"implink"
 #define NC_PUP		"pup"
 #define NC_CHAOS	"chaos"
 #define NC_NS		"ns"
 #define NC_NBS		"nbs"
 #define NC_ECMA		"ecma"
 #define NC_DATAKIT	"datakit"
 #define NC_CCITT	"ccitt"
 #define NC_SNA		"sna"
 #define NC_DECNET	"decnet"
 #define NC_DLI		"dli"
 #define NC_LAT		"lat"
 #define NC_HYLINK	"hylink"
 #define NC_APPLETALK	"appletalk"
 #define NC_NIT		"nit"
 #define NC_IEEE802	"ieee802"
 #define NC_OSI		"osi"
 #define NC_X25		"x25"
 #define NC_OSINET	"osinet"
 #define NC_GOSIP	"gosip"
 
 /*
  * nc_proto values
  */
 #define NC_NOPROTO	"-"
 #define NC_TCP		"tcp"
 #define NC_UDP		"udp"
 #define NC_ICMP		"icmp"
 
 __BEGIN_DECLS
 void *setnetconfig(void);
 struct netconfig *getnetconfig(void *);
 struct netconfig *getnetconfigent(const char *);
 void freenetconfigent(struct netconfig *);
 int endnetconfig(void *);
 
 void *setnetpath(void);
 struct netconfig *getnetpath(void *);
 int endnetpath(void *);
 
 void nc_perror(const char *);
 char *nc_sperror(void);
 __END_DECLS
 
 #endif /* _NETCONFIG_H_ */