2 * Copyright (c) 1983 Regents of the University of California.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 /* Portions Copyright (c) 1993 Carlos Leandro and Rui Salgueiro
35 * Dep. Matematica Universidade de Coimbra, Portugal, Europe
37 * Permission to use, copy, modify, and distribute this software for any
38 * purpose with or without fee is hereby granted, provided that the above
39 * copyright notice and this permission notice appear in all copies.
41 * from getnetent.c 1.1 (Coimbra) 93/06/02
44 #if defined(LIBC_SCCS) && !defined(lint)
45 static char rcsid[] = "$Id$";
46 #endif /* LIBC_SCCS and not lint */
48 #include <sys/param.h>
49 #include <sys/socket.h>
50 #include <netinet/in.h>
51 #include <arpa/inet.h>
52 #include <arpa/nameser.h>
59 #ifndef _PATH_NETWORKS
60 #define _PATH_NETWORKS "/etc/networks"
66 static char line[BUFSIZ+1];
67 static struct netent net;
68 static char *net_aliases[MAXALIASES];
71 void _setnetent __P((int)), _endnetent __P((void));
93 netf = fopen(_PATH_NETWORKS, "r" );
113 register char *cp, **q;
115 if (netf == NULL && (netf = fopen(_PATH_NETWORKS, "r" )) == NULL)
118 p = fgets(line, BUFSIZ, netf);
123 cp = strpbrk(p, "#\n");
128 cp = strpbrk(p, " \t");
132 while (*cp == ' ' || *cp == '\t')
134 p = strpbrk(cp, " \t");
137 net.n_net = inet_network(cp);
138 net.n_addrtype = AF_INET;
139 q = net.n_aliases = net_aliases;
143 if (*cp == ' ' || *cp == '\t') {
147 if (q < &net_aliases[MAXALIASES - 1])
149 cp = strpbrk(cp, " \t");