/* * Copyright (c) 1999 - 2003 * NetGroup, Politecnico di Torino (Italy) * 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. Neither the name of the Politecnico di Torino 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 COPYRIGHT HOLDERS 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 COPYRIGHT * OWNER 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. * */#include <sys/types.h>#include <string.h>#include <stdlib.h>#include <ctype.h>#include <net/netdb.h>#include <stdio.h>#include <errno.h>#include <arpa/nameser.h>extern void _sethtent(int f);extern void _endhtent(void);extern struct hostent *_gethtent(void);extern struct hostent *_gethtbyname(const char *name);extern struct hostent *_gethtbyaddr(const char *addr, int len,		 int type);extern int _validuser(FILE *hostf, const char *rhost,		 const char *luser, const char *ruser, int baselen);extern int _checkhost(const char *rhost, const char *lhost, int len);#if 0extern void putlong(u_long l, u_char *msgp);extern void putshort(u_short l, u_char *msgp);extern u_int32_t _getlong(register const u_char *msgp);extern u_int16_t _getshort(register const u_char *msgp);extern void p_query(char *msg);extern void fp_query(char *msg, FILE *file);extern char *p_cdname(char *cp, char *msg, FILE *file);extern char *p_rr(char *cp, char *msg, FILE *file);extern char *p_type(int type);extern char * p_class(int class);extern char *p_time(u_long value);#endifextern char * hostalias(const char *name);extern void sethostfile(char *name);extern void _res_close (void);extern void ruserpass(const char *host, char **aname, char **apass);