xref: /netbsd-src/sbin/ifconfig/extern.h (revision e5548b402ae4c44fb816de42c7bba9581ce23ef5)
1 /*	$NetBSD: extern.h,v 1.8 2005/03/20 02:43:50 thorpej Exp $	*/
2 
3 /*
4  * Copyright (c) 1983, 1993
5  *      The Regents of the University of California.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. Neither the name of the University nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  */
31 
32 #define	RIDADDR 0
33 #define	ADDR    1
34 #define	MASK    2
35 #define	DSTADDR 3
36 
37 struct afswtch {
38 	const char *af_name;
39 	short af_af;
40 	void (*af_status)(int);
41 	void (*af_getaddr)(const char *, int);
42 	void (*af_getprefix)(const char *, int);
43 	u_long af_difaddr;
44 	u_long af_aifaddr;
45 	u_long af_gifaddr;
46 	void *af_ridreq;
47 	void *af_addreq;
48 };
49 
50 extern const struct afswtch *afp;
51 extern struct ifreq ifr;
52 extern int s;
53 extern int explicit_prefix;
54 extern int clearaddr;
55 extern int newaddr;
56 extern char name[30];
57 
58 extern u_short flags;
59 extern int lflag;
60 extern int zflag;
61 #ifdef INET6
62 extern int Lflag;
63 #endif /* INET6 */
64 
65 extern struct ifreq ifr, ridreq;
66 extern struct ifaliasreq addreq;
67 
68 const struct afswtch *lookup_af_byname(const char *);
69 const struct afswtch *lookup_af_bynum(int);
70 const char *get_string(const char *, const char *, u_int8_t *, int *);
71 void	print_string(const u_int8_t *, int);
72 void    getsock(int);
73