1 files changed, 0 insertions, 734 deletions

diff --git a/lib/libc/net/gethostnamadr.c b/lib/libc/net/gethostnamadr.c
deleted file mode 100644
index 2dc9d02..0000000
--- a/lib/libc/net/gethostnamadr.c
+++ /dev/null
@@ -1,734 +0,0 @@
-/*-
- * Copyright (c) 1994, Garrett Wollman
- *
- * 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.
- *
- * THIS SOFTWARE IS PROVIDED BY THE 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.
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include "namespace.h"
-#include "reentrant.h"
-#include <sys/param.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <netdb.h>
-#include <stdio.h>
-#include <ctype.h>
-#include <errno.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdarg.h>
-#include <nsswitch.h>
-#include <arpa/nameser.h>		/* XXX hack for _res */
-#include <resolv.h>			/* XXX hack for _res */
-#include "un-namespace.h"
-#include "netdb_private.h"
-#ifdef NS_CACHING
-#include "nscache.h"
-#endif
-
-extern int _ht_gethostbyname(void *, void *, va_list);
-extern int _dns_gethostbyname(void *, void *, va_list);
-extern int _nis_gethostbyname(void *, void *, va_list);
-extern int _ht_gethostbyaddr(void *, void *, va_list);
-extern int _dns_gethostbyaddr(void *, void *, va_list);
-extern int _nis_gethostbyaddr(void *, void *, va_list);
-
-static int gethostbyname_internal(const char *, int, struct hostent *, char *,
-    size_t, struct hostent **, int *, res_state);
-
-/* Host lookup order if nsswitch.conf is broken or nonexistant */
-static const ns_src default_src[] = {
-	{ NSSRC_FILES, NS_SUCCESS },
-	{ NSSRC_DNS, NS_SUCCESS },
-	{ 0 }
-};
-#ifdef NS_CACHING
-static int host_id_func(char *, size_t *, va_list, void *);
-static int host_marshal_func(char *, size_t *, void *, va_list, void *);
-static int host_unmarshal_func(char *, size_t, void *, va_list, void *);
-#endif
-
-NETDB_THREAD_ALLOC(hostent)
-NETDB_THREAD_ALLOC(hostent_data)
-NETDB_THREAD_ALLOC(hostdata)
-
-static void
-hostent_free(void *ptr)
-{
-	free(ptr);
-}
-
-static void
-hostent_data_free(void *ptr)
-{
-	struct hostent_data *hed = ptr;
-
-	if (hed == NULL)
-		return;
-	hed->stayopen = 0;
-	_endhosthtent(hed);
-	free(hed);
-}
-
-static void
-hostdata_free(void *ptr)
-{
-	free(ptr);
-}
-
-int
-__copy_hostent(struct hostent *he, struct hostent *hptr, char *buf,
-    size_t buflen)
-{
-	char *cp;
-	char **ptr;
-	int i, n;
-	int nptr, len;
-
-	/* Find out the amount of space required to store the answer. */
-	nptr = 2; /* NULL ptrs */
-	len = (char *)ALIGN(buf) - buf;
-	for (i = 0; he->h_addr_list[i]; i++, nptr++) {
-		len += he->h_length;
-	}
-	for (i = 0; he->h_aliases[i]; i++, nptr++) {
-		len += strlen(he->h_aliases[i]) + 1;
-	}
-	len += strlen(he->h_name) + 1;
-	len += nptr * sizeof(char*);
-
-	if (len > buflen) {
-		errno = ERANGE;
-		return (-1);
-	}
-
-	/* copy address size and type */
-	hptr->h_addrtype = he->h_addrtype;
-	n = hptr->h_length = he->h_length;
-
-	ptr = (char **)ALIGN(buf);
-	cp = (char *)ALIGN(buf) + nptr * sizeof(char *);
-
-	/* copy address list */
-	hptr->h_addr_list = ptr;
-	for (i = 0; he->h_addr_list[i]; i++ , ptr++) {
-		memcpy(cp, he->h_addr_list[i], n);
-		hptr->h_addr_list[i] = cp;
-		cp += n;
-	}
-	hptr->h_addr_list[i] = NULL;
-	ptr++;
-
-	/* copy official name */
-	n = strlen(he->h_name) + 1;
-	strcpy(cp, he->h_name);
-	hptr->h_name = cp;
-	cp += n;
-
-	/* copy aliases */
-	hptr->h_aliases = ptr;
-	for (i = 0 ; he->h_aliases[i]; i++) {
-		n = strlen(he->h_aliases[i]) + 1;
-		strcpy(cp, he->h_aliases[i]);
-		hptr->h_aliases[i] = cp;
-		cp += n;
-	}
-	hptr->h_aliases[i] = NULL;
-
-	return (0);
-}
-
-#ifdef NS_CACHING
-static int
-host_id_func(char *buffer, size_t *buffer_size, va_list ap, void *cache_mdata)
-{
-	res_state statp;
-	u_long res_options;
-
-	const int op_id = 1;
-	char *str;
-	void *addr;
-	socklen_t len;
-	int type;
-
-	size_t desired_size, size;
-	enum nss_lookup_type lookup_type;
-	char *p;
-	int res = NS_UNAVAIL;
-
-	statp = __res_state();
-	res_options = statp->options & (RES_RECURSE | RES_DEFNAMES |
-	    RES_DNSRCH | RES_NOALIASES | RES_USE_INET6);
-
-	lookup_type = (enum nss_lookup_type)cache_mdata;
-	switch (lookup_type) {
-	case nss_lt_name:
-		str = va_arg(ap, char *);
-		type = va_arg(ap, int);
-
-		size = strlen(str);
-		desired_size = sizeof(res_options) + sizeof(int) +
-		    sizeof(enum nss_lookup_type) + sizeof(int) + size + 1;
-
-		if (desired_size > *buffer_size) {
-			res = NS_RETURN;
-			goto fin;
-		}
-
-		p = buffer;
-
-		memcpy(p, &res_options, sizeof(res_options));
-		p += sizeof(res_options);
-
-		memcpy(p, &op_id, sizeof(int));
-		p += sizeof(int);
-
-		memcpy(p, &lookup_type, sizeof(enum nss_lookup_type));
-		p += sizeof(int);
-
-		memcpy(p, &type, sizeof(int));
-		p += sizeof(int);
-
-		memcpy(p, str, size + 1);
-
-		res = NS_SUCCESS;
-		break;
-	case nss_lt_id:
-		addr = va_arg(ap, void *);
-		len = va_arg(ap, socklen_t);
-		type = va_arg(ap, int);
-
-		desired_size = sizeof(res_options) + sizeof(int) +
-		    sizeof(enum nss_lookup_type) + sizeof(int) +
-		    sizeof(socklen_t) + len;
-
-		if (desired_size > *buffer_size) {
-			res = NS_RETURN;
-			goto fin;
-		}
-
-		p = buffer;
-		memcpy(p, &res_options, sizeof(res_options));
-		p += sizeof(res_options);
-
-		memcpy(p, &op_id, sizeof(int));
-		p += sizeof(int);
-
-		memcpy(p, &lookup_type, sizeof(enum nss_lookup_type));
-		p += sizeof(int);
-
-		memcpy(p, &type, sizeof(int));
-		p += sizeof(int);
-
-		memcpy(p, &len, sizeof(socklen_t));
-		p += sizeof(socklen_t);
-
-		memcpy(p, addr, len);
-
-		res = NS_SUCCESS;
-		break;
-	default:
-		/* should be unreachable */
-		return (NS_UNAVAIL);
-	}
-
-fin:
-	*buffer_size = desired_size;
-	return (res);
-}
-
-static int
-host_marshal_func(char *buffer, size_t *buffer_size, void *retval, va_list ap,
-    void *cache_mdata)
-{
-	char *str;
-	void *addr;
-	socklen_t len;
-	int type;
-	struct hostent *ht;
-
-	struct hostent new_ht;
-	size_t desired_size, aliases_size, addr_size, size;
-	char *p, **iter;
-
-	switch ((enum nss_lookup_type)cache_mdata) {
-	case nss_lt_name:
-		str = va_arg(ap, char *);
-		type = va_arg(ap, int);
-		break;
-	case nss_lt_id:
-		addr = va_arg(ap, void *);
-		len = va_arg(ap, socklen_t);
-		type = va_arg(ap, int);
-		break;
-	default:
-		/* should be unreachable */
-		return (NS_UNAVAIL);
-	}
-	ht = va_arg(ap, struct hostent *);
-
-	desired_size = _ALIGNBYTES + sizeof(struct hostent) + sizeof(char *);
-	if (ht->h_name != NULL)
-		desired_size += strlen(ht->h_name) + 1;
-
-	if (ht->h_aliases != NULL) {
-		aliases_size = 0;
-		for (iter = ht->h_aliases; *iter; ++iter) {
-			desired_size += strlen(*iter) + 1;
-			++aliases_size;
-		}
-
-		desired_size += _ALIGNBYTES +
-		    (aliases_size + 1) * sizeof(char *);
-	}
-
-	if (ht->h_addr_list != NULL) {
-		addr_size = 0;
-		for (iter = ht->h_addr_list; *iter; ++iter)
-			++addr_size;
-
-		desired_size += addr_size * _ALIGN(ht->h_length);
-		desired_size += _ALIGNBYTES + (addr_size + 1) * sizeof(char *);
-	}
-
-	if (desired_size > *buffer_size) {
-		/* this assignment is here for future use */
-		*buffer_size = desired_size;
-		return (NS_RETURN);
-	}
-
-	memcpy(&new_ht, ht, sizeof(struct hostent));
-	memset(buffer, 0, desired_size);
-
-	*buffer_size = desired_size;
-	p = buffer + sizeof(struct hostent) + sizeof(char *);
-	memcpy(buffer + sizeof(struct hostent), &p, sizeof(char *));
-	p = (char *)_ALIGN(p);
-
-	if (new_ht.h_name != NULL) {
-		size = strlen(new_ht.h_name);
-		memcpy(p, new_ht.h_name, size);
-		new_ht.h_name = p;
-		p += size + 1;
-	}
-
-	if (new_ht.h_aliases != NULL) {
-		p = (char *)_ALIGN(p);
-		memcpy(p, new_ht.h_aliases, sizeof(char *) * aliases_size);
-		new_ht.h_aliases = (char **)p;
-		p += sizeof(char *) * (aliases_size + 1);
-
-		for (iter = new_ht.h_aliases; *iter; ++iter) {
-			size = strlen(*iter);
-			memcpy(p, *iter, size);
-			*iter = p;
-			p += size + 1;
-		}
-	}
-
-	if (new_ht.h_addr_list != NULL) {
-		p = (char *)_ALIGN(p);
-		memcpy(p, new_ht.h_addr_list, sizeof(char *) * addr_size);
-		new_ht.h_addr_list = (char **)p;
-		p += sizeof(char *) * (addr_size + 1);
-
-		size = _ALIGN(new_ht.h_length);
-		for (iter = new_ht.h_addr_list; *iter; ++iter) {
-			memcpy(p, *iter, size);
-			*iter = p;
-			p += size + 1;
-		}
-	}
-	memcpy(buffer, &new_ht, sizeof(struct hostent));
-	return (NS_SUCCESS);
-}
-
-static int
-host_unmarshal_func(char *buffer, size_t buffer_size, void *retval, va_list ap,
-    void *cache_mdata)
-{
-	char *str;
-	void *addr;
-	socklen_t len;
-	int type;
-	struct hostent *ht;
-
-	char *p;
-	char **iter;
-	char *orig_buf;
-	size_t orig_buf_size;
-
-	switch ((enum nss_lookup_type)cache_mdata) {
-	case nss_lt_name:
-		str = va_arg(ap, char *);
-		type = va_arg(ap, int);
-		break;
-	case nss_lt_id:
-		addr = va_arg(ap, void *);
-		len = va_arg(ap, socklen_t);
-		type = va_arg(ap, int);
-		break;
-	default:
-		/* should be unreachable */
-		return (NS_UNAVAIL);
-	}
-
-	ht = va_arg(ap, struct hostent *);
-	orig_buf = va_arg(ap, char *);
-	orig_buf_size = va_arg(ap, size_t);
-
-	if (orig_buf_size <
-	    buffer_size - sizeof(struct hostent) - sizeof(char *)) {
-		errno = ERANGE;
-		return (NS_RETURN);
-	}
-
-	memcpy(ht, buffer, sizeof(struct hostent));
-	memcpy(&p, buffer + sizeof(struct hostent), sizeof(char *));
-
-	orig_buf = (char *)_ALIGN(orig_buf);
-	memcpy(orig_buf, buffer + sizeof(struct hostent) + sizeof(char *) +
-	    _ALIGN(p) - (size_t)p,
-	    buffer_size - sizeof(struct hostent) - sizeof(char *) -
-	    _ALIGN(p) + (size_t)p);
-	p = (char *)_ALIGN(p);
-
-	NS_APPLY_OFFSET(ht->h_name, orig_buf, p, char *);
-	if (ht->h_aliases != NULL) {
-		NS_APPLY_OFFSET(ht->h_aliases, orig_buf, p, char **);
-
-		for (iter = ht->h_aliases; *iter; ++iter)
-			NS_APPLY_OFFSET(*iter, orig_buf, p, char *);
-	}
-
-	if (ht->h_addr_list != NULL) {
-		NS_APPLY_OFFSET(ht->h_addr_list, orig_buf, p, char **);
-
-		for (iter = ht->h_addr_list; *iter; ++iter)
-			NS_APPLY_OFFSET(*iter, orig_buf, p, char *);
-	}
-
-	*((struct hostent **)retval) = ht;
-	return (NS_SUCCESS);
-}
-#endif /* NS_CACHING */
-
-static int
-fakeaddr(const char *name, int af, struct hostent *hp, char *buf,
-    size_t buflen, res_state statp)
-{
-	struct hostent_data *hed;
-	struct hostent he;
-
-	if ((hed = __hostent_data_init()) == NULL) {
-		errno = ENOMEM;
-		RES_SET_H_ERRNO(statp, NETDB_INTERNAL);
-		return (-1);
-	}
-
-	if ((af != AF_INET ||
-	    inet_aton(name, (struct in_addr *)hed->host_addr) != 1) &&
-	    inet_pton(af, name, hed->host_addr) != 1) {
-		RES_SET_H_ERRNO(statp, HOST_NOT_FOUND);
-		return (-1);
-	}
-	strncpy(hed->hostbuf, name, MAXDNAME);
-	hed->hostbuf[MAXDNAME] = '\0';
-	if (af == AF_INET && (statp->options & RES_USE_INET6) != 0U) {
-		_map_v4v6_address((char *)hed->host_addr,
-		    (char *)hed->host_addr);
-		af = AF_INET6;
-	}
-	he.h_addrtype = af;
-	switch(af) {
-	case AF_INET:
-		he.h_length = NS_INADDRSZ;
-		break;
-	case AF_INET6:
-		he.h_length = NS_IN6ADDRSZ;
-		break;
-	default:
-		errno = EAFNOSUPPORT;
-		RES_SET_H_ERRNO(statp, NETDB_INTERNAL);
-		return (-1);
-	}
-	he.h_name = hed->hostbuf;
-	he.h_aliases = hed->host_aliases;
-	hed->host_aliases[0] = NULL;
-	hed->h_addr_ptrs[0] = (char *)hed->host_addr;
-	hed->h_addr_ptrs[1] = NULL;
-	he.h_addr_list = hed->h_addr_ptrs;
-	if (__copy_hostent(&he, hp, buf, buflen) != 0) {
-		RES_SET_H_ERRNO(statp, NETDB_INTERNAL);
-		return (-1);
-	}
-	RES_SET_H_ERRNO(statp, NETDB_SUCCESS);
-	return (0);
-}
-
-int
-gethostbyname_r(const char *name, struct hostent *he, char *buffer,
-    size_t buflen, struct hostent **result, int *h_errnop)
-{
-	res_state statp;
-
-	statp = __res_state();
-	if ((statp->options & RES_INIT) == 0 && res_ninit(statp) == -1) {
-		RES_SET_H_ERRNO(statp, NETDB_INTERNAL);
-		return (-1);
-	}
-	if (statp->options & RES_USE_INET6) {
-		if (fakeaddr(name, AF_INET, he, buffer, buflen, statp) == 0) {
-			*result = he;
-			return (0);
-		}
-		if (gethostbyname_internal(name, AF_INET6, he, buffer, buflen,
-		    result, h_errnop, statp) == 0)
-			return (0);
-	}
-	return (gethostbyname_internal(name, AF_INET, he, buffer, buflen,
-	    result, h_errnop, statp));
-}
-
-int
-gethostbyname2_r(const char *name, int af, struct hostent *he, char *buffer,
-    size_t buflen, struct hostent **result, int *h_errnop)
-{
-	res_state statp;
-
-	statp = __res_state();
-	if ((statp->options & RES_INIT) == 0 && res_ninit(statp) == -1) {
-		RES_SET_H_ERRNO(statp, NETDB_INTERNAL);
-		return (-1);
-	}
-	return (gethostbyname_internal(name, af, he, buffer, buflen, result,
-	    h_errnop, statp));
-}
-
-int
-gethostbyname_internal(const char *name, int af, struct hostent *hp, char *buf,
-    size_t buflen, struct hostent **result, int *h_errnop, res_state statp)
-{
-	const char *cp;
-	int rval, ret_errno = 0;
-	char abuf[MAXDNAME];
-
-#ifdef NS_CACHING
-	static const nss_cache_info cache_info =
-		NS_COMMON_CACHE_INFO_INITIALIZER(
-		hosts, (void *)nss_lt_name,
-		host_id_func, host_marshal_func, host_unmarshal_func);
-#endif
-	static const ns_dtab dtab[] = {
-		NS_FILES_CB(_ht_gethostbyname, NULL)
-		{ NSSRC_DNS, _dns_gethostbyname, NULL },
-		NS_NIS_CB(_nis_gethostbyname, NULL) /* force -DHESIOD */
-#ifdef NS_CACHING
-		NS_CACHE_CB(&cache_info)
-#endif
-		{ 0 }
-	};
-
-	switch (af) {
-	case AF_INET:
-	case AF_INET6:
-		break;
-	default:
-		RES_SET_H_ERRNO(statp, NETDB_INTERNAL);
-		*h_errnop = statp->res_h_errno;
-		errno = EAFNOSUPPORT;
-		return (-1);
-	}
-
-	/*
-	 * if there aren't any dots, it could be a user-level alias.
-	 * this is also done in res_query() since we are not the only
-	 * function that looks up host names.
-	 */
-	if (!strchr(name, '.') &&
-	    (cp = res_hostalias(statp, name, abuf, sizeof abuf)))
-		name = cp;
-
-	if (fakeaddr(name, af, hp, buf, buflen, statp) == 0) {
-		*result = hp;
-		return (0);
-	}
-
-	rval = _nsdispatch((void *)result, dtab, NSDB_HOSTS,
-	    "gethostbyname2_r", default_src, name, af, hp, buf, buflen,
-	    &ret_errno, h_errnop);
-
-	if (rval != NS_SUCCESS) {
-		errno = ret_errno;
-		return ((ret_errno != 0) ? ret_errno : -1);
-	}
-	return (0);
-}
-
-int
-gethostbyaddr_r(const void *addr, socklen_t len, int af, struct hostent *hp,
-    char *buf, size_t buflen, struct hostent **result, int *h_errnop)
-{
-	const u_char *uaddr = (const u_char *)addr;
-	const struct in6_addr *addr6;
-	socklen_t size;
-	int rval, ret_errno = 0;
-	res_state statp;
-
-#ifdef NS_CACHING
-	static const nss_cache_info cache_info =
-		NS_COMMON_CACHE_INFO_INITIALIZER(
-		hosts, (void *)nss_lt_id,
-		host_id_func, host_marshal_func, host_unmarshal_func);
-#endif
-	static const ns_dtab dtab[] = {
-		NS_FILES_CB(_ht_gethostbyaddr, NULL)
-		{ NSSRC_DNS, _dns_gethostbyaddr, NULL },
-		NS_NIS_CB(_nis_gethostbyaddr, NULL) /* force -DHESIOD */
-#ifdef NS_CACHING
-		NS_CACHE_CB(&cache_info)
-#endif
-		{ 0 }
-	};
-
-	statp = __res_state();
-	if ((statp->options & RES_INIT) == 0 && res_ninit(statp) == -1) {
-		RES_SET_H_ERRNO(statp, NETDB_INTERNAL);
-		*h_errnop = statp->res_h_errno;
-		return (-1);
-	}
-
-	if (af == AF_INET6 && len == NS_IN6ADDRSZ) {
-		addr6 = (const struct in6_addr *)addr;
-		if (IN6_IS_ADDR_LINKLOCAL(addr6)) {
-			RES_SET_H_ERRNO(statp, HOST_NOT_FOUND);
-			*h_errnop = statp->res_h_errno;
-			return (-1);
-		}
-		if (IN6_IS_ADDR_V4MAPPED(addr6) ||
-		    IN6_IS_ADDR_V4COMPAT(addr6)) {
-			/* Unmap. */
-			uaddr += NS_IN6ADDRSZ - NS_INADDRSZ;
-			af = AF_INET;
-			len = NS_INADDRSZ;
-		}
-	}
-	switch (af) {
-	case AF_INET:
-		size = NS_INADDRSZ;
-		break;
-	case AF_INET6:
-		size = NS_IN6ADDRSZ;
-		break;
-	default:
-		errno = EAFNOSUPPORT;
-		RES_SET_H_ERRNO(statp, NETDB_INTERNAL);
-		*h_errnop = statp->res_h_errno;
-		return (-1);
-	}
-	if (size != len) {
-		errno = EINVAL;
-		RES_SET_H_ERRNO(statp, NETDB_INTERNAL);
-		*h_errnop = statp->res_h_errno;
-		return (-1);
-	}
-
-	rval = _nsdispatch((void *)result, dtab, NSDB_HOSTS,
-	    "gethostbyaddr_r", default_src, uaddr, len, af, hp, buf, buflen,
-	    &ret_errno, h_errnop);
-
-	if (rval != NS_SUCCESS) {
-		errno = ret_errno;
-		return ((ret_errno != 0) ? ret_errno : -1);
-	}
-	return (0);
-}
-
-struct hostent *
-gethostbyname(const char *name)
-{
-	struct hostdata *hd;
-	struct hostent *rval;
-	int ret_h_errno;
-
-	if ((hd = __hostdata_init()) == NULL)
-		return (NULL);
-	if (gethostbyname_r(name, &hd->host, hd->data, sizeof(hd->data), &rval,
-	    &ret_h_errno) != 0)
-		return (NULL);
-	return (rval);
-}
-
-struct hostent *
-gethostbyname2(const char *name, int af)
-{
-	struct hostdata *hd;
-	struct hostent *rval;
-	int ret_h_errno;
-
-	if ((hd = __hostdata_init()) == NULL)
-		return (NULL);
-	if (gethostbyname2_r(name, af, &hd->host, hd->data, sizeof(hd->data),
-	    &rval, &ret_h_errno) != 0)
-		return (NULL);
-	return (rval);
-}
-
-struct hostent *
-gethostbyaddr(const void *addr, socklen_t len, int af)
-{
-	struct hostdata *hd;
-	struct hostent *rval;
-	int ret_h_errno;
-
-	if ((hd = __hostdata_init()) == NULL)
-		return (NULL);
-	if (gethostbyaddr_r(addr, len, af, &hd->host, hd->data,
-	    sizeof(hd->data), &rval, &ret_h_errno) != 0)
-		return (NULL);
-	return (rval);
-}
-
-void
-sethostent(int stayopen)
-{
-	struct hostent_data *hed;
-
-	if ((hed = __hostent_data_init()) == NULL)
-		return;
-	_sethosthtent(stayopen, hed);
-	_sethostdnsent(stayopen);
-}
-
-void
-endhostent(void)
-{
-	struct hostent_data *hed;
-
-	if ((hed = __hostent_data_init()) == NULL)
-		return;
-	_endhosthtent(hed);
-	_endhostdnsent();
-}