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diff --git a/include/netdb.h b/include/netdb.h
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+/*-
+ * Copyright (c) 1980, 1983, 1988, 1993
+ *     The Regents of the University of California.  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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
+ *
+ *	@(#)netdb.h	8.1 (Berkeley) 6/2/93
+ *      netdb.h,v 1.4 1995/08/14 04:05:04 hjl Exp
+ * -
+ * Portions Copyright (c) 1993 by Digital Equipment Corporation.
+ *
+ * Permission to use, copy, modify and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies, and that
+ * the name of Digital Equipment Corporation not be used in advertising or
+ * publicity pertaining to distribution of the document or software without
+ * specific, written prior permission.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
+ * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT
+ * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ * -
+ * --Copyright--
+ */
+
+#ifndef _NETDB_H_
+#define _NETDB_H_
+
+#if defined(_POSIX_THREAD_SAFE_FUNCTIONS) || defined(_REENTRANT)
+#include <stdio.h>
+#include <netinet/in.h>
+#endif
+
+#include <paths.h>
+
+#define _PATH_HEQUIV	__PATH_ETC_INET"/hosts.equiv"
+#define _PATH_HOSTS	__PATH_ETC_INET"/hosts"
+#define _PATH_NETWORKS	__PATH_ETC_INET"/networks"
+#define _PATH_PROTOCOLS	__PATH_ETC_INET"/protocols"
+#define _PATH_SERVICES	__PATH_ETC_INET"/services"
+#define _PATH_RESCONF	__PATH_ETC_INET"/resolv.conf"
+#define _PATH_RPC	__PATH_ETC_INET"/rpc"
+
+
+/*
+ * Structures returned by network data base library.  All addresses are
+ * supplied in host order, and returned in network order (suitable for
+ * use in system calls).
+ */
+struct	hostent {
+	char	*h_name;	/* official name of host */
+	char	**h_aliases;	/* alias list */
+	int	h_addrtype;	/* host address type */
+	int	h_length;	/* length of address */
+	char	**h_addr_list;	/* list of addresses from name server */
+#define	h_addr	h_addr_list[0]	/* address, for backward compatiblity */
+};
+
+/*
+ * Assumption here is that a network number
+ * fits in an unsigned long -- probably a poor one.
+ */
+struct	netent {
+	char		*n_name;	/* official name of net */
+	char		**n_aliases;	/* alias list */
+	int		n_addrtype;	/* net address type */
+	unsigned long	n_net;		/* network # */
+};
+
+struct	servent {
+	char	*s_name;	/* official service name */
+	char	**s_aliases;	/* alias list */
+	int	s_port;		/* port # */
+	char	*s_proto;	/* protocol to use */
+};
+
+struct	protoent {
+	char	*p_name;	/* official protocol name */
+	char	**p_aliases;	/* alias list */
+	int	p_proto;	/* protocol # */
+};
+
+struct rpcent {
+	char	*r_name;	/* name of server for this rpc program */
+	char	**r_aliases;	/* alias list */
+	int	r_number;	/* rpc program number */
+};
+
+#if defined(_POSIX_THREAD_SAFE_FUNCTIONS) || defined(_REENTRANT)
+
+#define __NETDB_MAXALIASES	35
+#define __NETDB_MAXADDRS	35
+
+/*
+ * Error return codes from gethostbyname() and gethostbyaddr()
+ * (left in extern int h_errno).
+ */
+#define h_errno		(*__h_errno_location ())
+#else
+extern int h_errno;
+#endif
+
+#define	NETDB_INTERNAL -1 /* see errno */
+#define	NETDB_SUCCESS   0 /* no problem */
+#define	HOST_NOT_FOUND	1 /* Authoritative Answer Host not found */
+#define	TRY_AGAIN	2 /* Non-Authoritive Host not found, or SERVERFAIL */
+#define	NO_RECOVERY	3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */
+#define	NO_DATA		4 /* Valid name, no data record of requested type */
+#define	NO_ADDRESS	NO_DATA		/* no address, look for MX record */
+
+#include <features.h>
+
+__BEGIN_DECLS
+
+void		endhostent __P((void));
+void		endnetent __P((void));
+void		endprotoent __P((void));
+void		endservent __P((void));
+void		endrpcent __P ((void));
+struct hostent	*gethostbyaddr __P((__const char *, int, int));
+struct hostent	*gethostbyname __P((__const char *));
+struct hostent	*gethostent __P((void));
+struct netent	*getnetbyaddr __P((long, int)); /* u_long? */
+struct netent	*getnetbyname __P((__const char *));
+struct netent	*getnetent __P((void));
+struct protoent	*getprotobyname __P((__const char *));
+struct protoent	*getprotobynumber __P((int));
+struct protoent	*getprotoent __P((void));
+struct servent	*getservbyname __P((__const char *, __const char *));
+struct servent	*getservbyport __P((int, __const char *));
+struct servent	*getservent __P((void));
+struct rpcent	*getrpcent __P((void));
+struct rpcent	*getrpcbyname __P((__const char *));
+struct rpcent	*getrpcbynumber __P((int));
+void		herror __P((__const char *));
+void		sethostent __P((int));
+/* void		sethostfile __P((__const char *)); */
+void		setnetent __P((int));
+void		setprotoent __P((int));
+void		setservent __P((int));
+void		setrpcent __P((int));
+
+#if defined(_POSIX_THREAD_SAFE_FUNCTIONS) || defined(_REENTRANT)
+struct hostent	*gethostbyaddr_r __P((const char *__addr,
+			int __length, int __type,
+			struct hostent *__result,
+			char *__buffer, int __buflen, int *__h_errnop));
+struct hostent	*gethostbyname_r __P((const char * __name,
+			struct hostent *__result, char *__buffer,
+			int __buflen, int *__h_errnop));
+struct hostent	*gethostent_r __P((struct hostent *__result,
+			char *__buffer, int __buflen, int *__h_errnop));
+struct netent	*getnetbyaddr_r __P((long __net, int __type,
+			struct netent *__result, char *__buffer,
+			int __buflen));
+struct netent	*getnetbyname_r __P((const char * __name,
+			struct netent *__result, char *__buffer,
+			int __buflen));
+struct netent	*getnetent_r __P((struct netent *__result,
+			char *__buffer, int __buflen));
+struct protoent	*getprotobyname_r __P((const char * __name,
+			struct protoent *__result, char *__buffer,
+			int __buflen));
+struct protoent	*getprotobynumber_r __P((int __proto,
+			struct protoent *__result, char *__buffer,
+			int __buflen));
+struct protoent	*getprotoent_r __P((struct protoent *__result,
+			char *__buffer, int __buflen));
+struct servent	*getservbyname_r __P((const char * __name,
+			const char *__proto, struct servent *__result,
+			char *__buffer, int __buflen));
+struct servent	*getservbyport_r __P((int __port,
+			const char *__proto, struct servent *__result,
+			char *__buffer, int __buflen));
+struct servent	*getservent_r __P((struct servent *__result,
+			char *__buffer, int __buflen));
+
+int *__h_errno_location __P((void));
+
+#endif
+
+__END_DECLS
+
+#endif /* !_NETDB_H_ */