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extern.h revision 1.8 
      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