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-rw-r--r--nis/libnsl.map2
-rw-r--r--nis/nis_add.c51
-rw-r--r--nis/nis_cache.c5
-rw-r--r--nis/nis_cache2_xdr.c8
-rw-r--r--nis/nis_call.c10
-rw-r--r--nis/nis_callback.c67
-rw-r--r--nis/nis_checkpoint.c20
-rw-r--r--nis/nis_clone_dir.c10
-rw-r--r--nis/nis_clone_obj.c8
-rw-r--r--nis/nis_clone_res.c10
-rw-r--r--nis/nis_creategroup.c2
-rw-r--r--nis/nis_file.c11
-rw-r--r--nis/nis_free.c13
-rw-r--r--nis/nis_getservlist.c6
-rw-r--r--nis/nis_local_names.c4
-rw-r--r--nis/nis_lookup.c24
-rw-r--r--nis/nis_mkdir.c10
-rw-r--r--nis/nis_modify.c61
-rw-r--r--nis/nis_ping.c9
-rw-r--r--nis/nis_print.c2
-rw-r--r--nis/nis_remove.c11
-rw-r--r--nis/nis_removemember.c12
-rw-r--r--nis/nis_rmdir.c6
-rw-r--r--nis/nis_server.c10
-rw-r--r--nis/nis_table.c207
-rw-r--r--nis/nis_util.c6
-rw-r--r--nis/nis_verifygroup.c4
-rw-r--r--nis/nis_xdr.c274
-rw-r--r--nis/nis_xdr.h45
-rw-r--r--nis/rpcsvc/nis.h31
-rw-r--r--nis/rpcsvc/nis_callback.h71
31 files changed, 533 insertions, 477 deletions
diff --git a/nis/libnsl.map b/nis/libnsl.map
index 21c46747bc..9d0efd0567 100644
--- a/nis/libnsl.map
+++ b/nis/libnsl.map
@@ -51,6 +51,8 @@ GLIBC_2.1 {
     nis_sperror;          nis_sperror_r;       nis_stats;
     nis_verifygroup;      nis_write_obj;
 
+    xdr_cback_data;       xdr_obj_p;
+
     # This functions are needed by the NIS+ tools and rpc.nisd,
     # they should never be used in a normal user program !
     __do_niscall2;        __free_fdresult;     __nis_default_access;
diff --git a/nis/nis_add.c b/nis/nis_add.c
index d30ccde2f6..07fa0fb1e9 100644
--- a/nis/nis_add.c
+++ b/nis/nis_add.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@uni-paderborn.de>, 1997.
 
@@ -19,53 +19,52 @@
 
 #include <rpcsvc/nis.h>
 
+#include "nis_xdr.h"
 #include "nis_intern.h"
 
 nis_result *
-nis_add (const_nis_name name, const nis_object *obj)
+nis_add (const_nis_name name, const nis_object *obj2)
 {
+  nis_object obj;
   nis_result *res;
   nis_error status;
   struct ns_request req;
-  char *p1, *p2, *p3, *p4;
   char buf1 [strlen (name) + 20];
   char buf4 [strlen (name) + 20];
 
   res = calloc (1, sizeof (nis_result));
+  if (res == NULL)
+    return NULL;
 
   req.ns_name = (char *)name;
 
-  req.ns_object.ns_object_len = 1;
-  req.ns_object.ns_object_val = nis_clone_object (obj, NULL);
+  memcpy (&obj, obj2, sizeof (nis_object));
+
+  if (obj.zo_name == NULL || strlen (obj.zo_name) == 0)
+    obj.zo_name = nis_leaf_of_r (name, buf1, sizeof (buf1));
 
-  p1 = req.ns_object.ns_object_val[0].zo_name;
-  if (p1 == NULL || strlen (p1) == 0)
-    req.ns_object.ns_object_val[0].zo_name =
-      nis_leaf_of_r (name, buf1, sizeof (buf1));
+  if (obj.zo_owner == NULL || strlen (obj.zo_owner) == 0)
+    obj.zo_owner = nis_local_principal ();
 
-  p2 = req.ns_object.ns_object_val[0].zo_owner;
-  if (p2 == NULL || strlen (p2) == 0)
-    req.ns_object.ns_object_val[0].zo_owner = nis_local_principal ();
+  if (obj.zo_group == NULL || strlen (obj.zo_group) == 0)
+    obj.zo_group = nis_local_group ();
 
-  p3 = req.ns_object.ns_object_val[0].zo_group;
-  if (p3 == NULL || strlen (p3) == 0)
-    req.ns_object.ns_object_val[0].zo_group = nis_local_group ();
+  obj.zo_domain = nis_domain_of_r (name, buf4, sizeof (buf4));
 
-  p4 = req.ns_object.ns_object_val[0].zo_domain;
-  req.ns_object.ns_object_val[0].zo_domain =
-    nis_domain_of_r (name, buf4, sizeof (buf4));
+  req.ns_object.ns_object_val = nis_clone_object (&obj, NULL);
+  if (req.ns_object.ns_object_val == NULL)
+    {
+      NIS_RES_STATUS (res) = NIS_NOMEMORY;
+      return res;
+    }
+  req.ns_object.ns_object_len = 1;
 
   if ((status = __do_niscall (req.ns_object.ns_object_val[0].zo_domain,
-			      NIS_ADD, (xdrproc_t) xdr_ns_request,
-			      (caddr_t) &req, (xdrproc_t) xdr_nis_result,
+			      NIS_ADD, (xdrproc_t) _xdr_ns_request,
+			      (caddr_t) &req, (xdrproc_t) _xdr_nis_result,
 			      (caddr_t) res, MASTER_ONLY,
 			      NULL)) != RPC_SUCCESS)
-    res->status = status;
-
-  req.ns_object.ns_object_val[0].zo_name = p1;
-  req.ns_object.ns_object_val[0].zo_owner = p2;
-  req.ns_object.ns_object_val[0].zo_group = p3;
-  req.ns_object.ns_object_val[0].zo_domain = p4;
+    NIS_RES_STATUS (res) = status;
 
   nis_destroy_object (req.ns_object.ns_object_val);
 
diff --git a/nis/nis_cache.c b/nis/nis_cache.c
index 26cac675a5..9ee21b148d 100644
--- a/nis/nis_cache.c
+++ b/nis/nis_cache.c
@@ -20,8 +20,9 @@
 #include <string.h>
 #include <unistd.h>
 #include <rpcsvc/nis.h>
-#include "nis_intern.h"
 
+#include "nis_xdr.h"
+#include "nis_intern.h"
 #include "nis_cache2.h"
 
 static struct timeval TIMEOUT = { 25, 0 };
@@ -85,7 +86,7 @@ __nis_cache_search (const_nis_name name, u_long flags, cache2_info *cinfo)
 
   xdrmem_create (&xdrs, fsres.dir_data.dir_data_val,
 		 fsres.dir_data.dir_data_len, XDR_DECODE);
-  xdr_directory_obj (&xdrs, obj);
+  _xdr_directory_obj (&xdrs, obj);
   xdr_destroy (&xdrs);
 
   cinfo->server_used = fsres.server_used;
diff --git a/nis/nis_cache2_xdr.c b/nis/nis_cache2_xdr.c
index b988f3f973..caa3964bca 100644
--- a/nis/nis_cache2_xdr.c
+++ b/nis/nis_cache2_xdr.c
@@ -5,14 +5,16 @@
 
 #include <rpc/types.h>
 #include <rpc/xdr.h>
+#include <rpcsvc/nis.h>
 
+#include "nis_xdr.h"
 #include "nis_cache2.h"
-#include <rpcsvc/nis.h>
+
 
 bool_t
 xdr_fs_result(XDR *xdrs, fs_result *objp)
 {
-	 if (!xdr_nis_error(xdrs, &objp->status)) {
+	 if (!_xdr_nis_error(xdrs, &objp->status)) {
 		 return FALSE;
 	 }
 	 if (!xdr_long(xdrs, &objp->class)) {
@@ -33,7 +35,7 @@ xdr_fs_result(XDR *xdrs, fs_result *objp)
 bool_t
 xdr_fs_request(XDR *xdrs, fs_request *objp)
 {
-	 if (!xdr_nis_name(xdrs, &objp->name)) {
+	 if (!_xdr_nis_name(xdrs, &objp->name)) {
 		 return FALSE;
 	 }
 	 if (!xdr_long(xdrs, &objp->old_class)) {
diff --git a/nis/nis_call.c b/nis/nis_call.c
index 957399ee98..ff9e768fe4 100644
--- a/nis/nis_call.c
+++ b/nis/nis_call.c
@@ -26,6 +26,8 @@
 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>
+
+#include "nis_xdr.h"
 #include "nis_intern.h"
 
 static struct timeval RPCTIMEOUT = {10, 0};
@@ -461,7 +463,7 @@ rec_dirsearch (const_nis_name name, directory_obj *dir, u_long flags,
 	obj = calloc(1, sizeof(directory_obj));
 	xdrmem_create(&xdrs, fd_res->dir_data.dir_data_val,
 		      fd_res->dir_data.dir_data_len, XDR_DECODE);
-	xdr_directory_obj(&xdrs, obj);
+	_xdr_directory_obj(&xdrs, obj);
 	xdr_destroy(&xdrs);
 	__free_fdresult (fd_res);
 	if (obj != NULL)
@@ -525,7 +527,7 @@ rec_dirsearch (const_nis_name name, directory_obj *dir, u_long flags,
 	obj = calloc(1, sizeof(directory_obj));
 	xdrmem_create(&xdrs, fd_res->dir_data.dir_data_val,
 		      fd_res->dir_data.dir_data_len, XDR_DECODE);
-	xdr_directory_obj(&xdrs, obj);
+	_xdr_directory_obj(&xdrs, obj);
 	xdr_destroy(&xdrs);
 	__free_fdresult (fd_res);
 	if (obj != NULL)
@@ -576,8 +578,8 @@ first_shoot (const_nis_name name, directory_obj *dir, u_long flags)
     return NULL;
   xdrmem_create(&xdrs, fd_res->dir_data.dir_data_val,
 		fd_res->dir_data.dir_data_len, XDR_DECODE);
-  xdr_directory_obj(&xdrs, obj);
-  xdr_destroy(&xdrs);
+  _xdr_directory_obj (&xdrs, obj);
+  xdr_destroy (&xdrs);
   __free_fdresult (fd_res);
   if (obj != NULL)
     {
diff --git a/nis/nis_callback.c b/nis/nis_callback.c
index 9d138fde60..4c5693a3b5 100644
--- a/nis/nis_callback.c
+++ b/nis/nis_callback.c
@@ -31,8 +31,10 @@
 #include <arpa/inet.h>
 #include <rpc/key_prot.h>
 #include <rpcsvc/nis.h>
+#include <rpcsvc/nis_callback.h>
 #include <bits/libc-lock.h>
 
+#include "nis_xdr.h"
 #include "nis_intern.h"
 
 /* Sorry, we are not able to make this threadsafe. Stupid. But some
@@ -40,30 +42,12 @@
    cookie. Maybe we could use keys for threads ? Have to learn more
    about pthreads -- kukuk@vt.uni-paderborn.de */
 
-#define CB_PROG ((u_long)100302)
-#define CB_VERS ((u_long)1)
-#define CBPROC_RECEIVE ((u_long)1)
-#define CBPROC_FINISH ((u_long)2)
-#define CBPROC_ERROR ((u_long)3)
-
-typedef nis_object *obj_p;
-
-struct cback_data
-  {
-    struct
-      {
-	u_int entries_len;
-	obj_p *entries_val;
-      }
-    entries;
-  };
-typedef struct cback_data cback_data;
-
 static nis_cb *data;
 
 __libc_lock_define_initialized (static, callback)
 
 
+#if 0
 static char *
 __nis_getpkey(const char *sname)
 {
@@ -91,7 +75,7 @@ __nis_getpkey(const char *sname)
   if (res == NULL)
     return NULL;
 
-  if (res->status != NIS_SUCCESS)
+  if (NIS_RES_STATUS (res) != NIS_SUCCESS)
     {
       nis_freeresult (res);
       return NULL;
@@ -108,9 +92,7 @@ __nis_getpkey(const char *sname)
 
   return strdup (pkey);
 }
-
-
-static bool_t xdr_cback_data (XDR *, cback_data *);
+#endif
 
 static void
 cb_prog_1 (struct svc_req *rqstp, SVCXPRT *transp)
@@ -181,7 +163,7 @@ cb_prog_1 (struct svc_req *rqstp, SVCXPRT *transp)
       result = (char *) &bool_result;
       break;
     case CBPROC_ERROR:
-      xdr_argument = (xdrproc_t) xdr_nis_error;
+      xdr_argument = (xdrproc_t) _xdr_nis_error;
       xdr_result = (xdrproc_t) xdr_void;
       memset (&argument, 0, sizeof (argument));
       if (!svc_getargs (transp, xdr_argument, (caddr_t) & argument))
@@ -208,25 +190,6 @@ cb_prog_1 (struct svc_req *rqstp, SVCXPRT *transp)
   return;
 }
 
-static bool_t
-xdr_obj_p (XDR * xdrs, obj_p *objp)
-{
-  if (!xdr_pointer (xdrs, (char **) objp, sizeof (nis_object),
-		    (xdrproc_t) xdr_nis_object))
-    return FALSE;
-  return TRUE;
-}
-
-static bool_t
-xdr_cback_data (XDR *xdrs, cback_data *objp)
-{
-  if (!xdr_array (xdrs, (char **) &objp->entries.entries_val,
-		  (u_int *) & objp->entries.entries_len, ~0, sizeof (obj_p),
-		  (xdrproc_t) xdr_obj_p))
-    return FALSE;
-  return TRUE;
-}
-
 static nis_error
 internal_nis_do_callback (struct dir_binding *bptr, netobj *cookie,
 			  struct nis_cb *cb)
@@ -319,7 +282,7 @@ __nis_create_callback (int (*callback) (const_nis_name, const nis_object *,
     {
       free (cb);
       syslog (LOG_ERR, "NIS+: out of memory allocating callback");
-      return (NULL);
+      return NULL;
     }
   cb->serv->name = strdup (nis_local_principal ());
   cb->serv->ep.ep_val = (endpoint *) calloc (2, sizeof (endpoint));
@@ -328,7 +291,7 @@ __nis_create_callback (int (*callback) (const_nis_name, const nis_object *,
   cb->callback = callback;
   cb->userdata = userdata;
 
-  if ((flags & NO_AUTHINFO) && key_secretkey_is_set ())
+  if ((flags & NO_AUTHINFO) || !key_secretkey_is_set ())
     {
       cb->serv->key_type = NIS_PK_NONE;
       cb->serv->pkey.n_bytes = NULL;
@@ -336,6 +299,7 @@ __nis_create_callback (int (*callback) (const_nis_name, const nis_object *,
     }
   else
     {
+#if 0
       if ((cb->serv->pkey.n_bytes = __nis_getpkey (cb->serv->name)) == NULL)
 	{
 	  cb->serv->pkey.n_len = 0;
@@ -346,6 +310,11 @@ __nis_create_callback (int (*callback) (const_nis_name, const nis_object *,
 	  cb->serv->key_type = NIS_PK_DH;
 	  cb->serv->pkey.n_len = strlen(cb->serv->pkey.n_bytes);
 	}
+#else
+      cb->serv->pkey.n_len =0;
+      cb->serv->pkey.n_bytes = NULL;
+      cb->serv->key_type = NIS_PK_DH;
+#endif
     }
 
   if (flags & USE_DGRAM)
@@ -363,7 +332,7 @@ __nis_create_callback (int (*callback) (const_nis_name, const nis_object *,
     {
       xprt_unregister (cb->xprt);
       svc_destroy (cb->xprt);
-      xdr_free ((xdrproc_t) xdr_nis_server, (char *) cb->serv);
+      xdr_free ((xdrproc_t) _xdr_nis_server, (char *) cb->serv);
       free (cb->serv);
       free (cb);
       syslog (LOG_ERR, "NIS+: failed to register callback dispatcher");
@@ -374,11 +343,11 @@ __nis_create_callback (int (*callback) (const_nis_name, const nis_object *,
     {
       xprt_unregister (cb->xprt);
       svc_destroy (cb->xprt);
-      xdr_free ((xdrproc_t) xdr_nis_server, (char *) cb->serv);
+      xdr_free ((xdrproc_t) _xdr_nis_server, (char *) cb->serv);
       free (cb->serv);
       free (cb);
       syslog (LOG_ERR, "NIS+: failed to read local socket info");
-      return (NULL);
+      return NULL;
     }
   port = sin.sin_port;
   get_myaddress (&sin);
@@ -395,7 +364,7 @@ __nis_destroy_callback (struct nis_cb *cb)
   xprt_unregister (cb->xprt);
   svc_destroy (cb->xprt);
   close (cb->sock);
-  xdr_free ((xdrproc_t) xdr_nis_server, (char *) cb->serv);
+  xdr_free ((xdrproc_t) _xdr_nis_server, (char *) cb->serv);
   free (cb->serv);
   free (cb);
 
diff --git a/nis/nis_checkpoint.c b/nis/nis_checkpoint.c
index 665dccba06..585214a3b4 100644
--- a/nis/nis_checkpoint.c
+++ b/nis/nis_checkpoint.c
@@ -18,6 +18,8 @@
    Boston, MA 02111-1307, USA. */
 
 #include <rpcsvc/nis.h>
+
+#include "nis_xdr.h"
 #include "nis_intern.h"
 
 nis_result *
@@ -26,10 +28,11 @@ nis_checkpoint(const_nis_name dirname)
   nis_result *res;
 
   res = calloc (1, sizeof (nis_result));
+  if (res == NULL)
+    return NULL;
 
   if (dirname != NULL)
     {
-      cp_result *cpres = NULL;
       nis_result *res2;
       u_int i;
 
@@ -48,16 +51,19 @@ nis_checkpoint(const_nis_name dirname)
       for (i = 0;
 	   i < NIS_RES_OBJECT (res2)->DI_data.do_servers.do_servers_len; ++i)
 	{
+	  cp_result cpres;
+
+	  memset (&cpres, '\0', sizeof (cp_result));
 	  if (__do_niscall2 (&NIS_RES_OBJECT(res2)->DI_data.do_servers.do_servers_val[i],
-			     1, NIS_CHECKPOINT, (xdrproc_t) xdr_nis_name,
-			     (caddr_t) &dirname, (xdrproc_t) xdr_cp_result,
-			     (caddr_t) &cpres, 0, NULL, NULL) != RPC_SUCCESS)
+			     1, NIS_CHECKPOINT, (xdrproc_t) _xdr_nis_name,
+			     (caddr_t) &dirname, (xdrproc_t) _xdr_cp_result,
+			     (caddr_t) &cpres, 0, NULL, NULL) != NIS_SUCCESS)
 	    NIS_RES_STATUS (res) = NIS_RPCERROR;
 	  else
 	    {
-	      res->status += cpres->cp_status;
-	      res->zticks += cpres->cp_zticks;
-	      res->dticks += cpres->cp_dticks;
+	      NIS_RES_STATUS (res) = cpres.cp_status;
+	      res->zticks += cpres.cp_zticks;
+	      res->dticks += cpres.cp_dticks;
 	    }
 	}
       nis_freeresult (res2);
diff --git a/nis/nis_clone_dir.c b/nis/nis_clone_dir.c
index 4d641e58f7..a59bd78cdf 100644
--- a/nis/nis_clone_dir.c
+++ b/nis/nis_clone_dir.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
 
@@ -21,6 +21,8 @@
 #include <rpc/rpc.h>
 #include <rpcsvc/nis.h>
 
+#include "nis_xdr.h"
+
 directory_obj *
 nis_clone_directory (const directory_obj *src, directory_obj *dest)
 {
@@ -32,7 +34,7 @@ nis_clone_directory (const directory_obj *src, directory_obj *dest)
   if (src == NULL)
     return (NULL);
 
-  size = xdr_sizeof ((xdrproc_t)xdr_directory_obj, (char *)src);
+  size = xdr_sizeof ((xdrproc_t)_xdr_directory_obj, (char *)src);
   if ((addr = calloc(1, size)) == NULL)
     return NULL;
 
@@ -48,7 +50,7 @@ nis_clone_directory (const directory_obj *src, directory_obj *dest)
     res = dest;
 
   xdrmem_create(&xdrs, addr, size, XDR_ENCODE);
-  if (!xdr_directory_obj (&xdrs, (directory_obj *)src))
+  if (!_xdr_directory_obj (&xdrs, (directory_obj *)src))
     {
       xdr_destroy (&xdrs);
       free (addr);
@@ -56,7 +58,7 @@ nis_clone_directory (const directory_obj *src, directory_obj *dest)
     }
   xdr_destroy (&xdrs);
   xdrmem_create (&xdrs, addr, size, XDR_DECODE);
-  if (!xdr_directory_obj (&xdrs, res))
+  if (!_xdr_directory_obj (&xdrs, res))
     {
       xdr_destroy (&xdrs);
       free (addr);
diff --git a/nis/nis_clone_obj.c b/nis/nis_clone_obj.c
index 133c2558b4..9a1490a1bf 100644
--- a/nis/nis_clone_obj.c
+++ b/nis/nis_clone_obj.c
@@ -21,6 +21,8 @@
 #include <rpc/rpc.h>
 #include <rpcsvc/nis.h>
 
+#include "nis_xdr.h"
+
 nis_object *
 nis_clone_object (const nis_object *src, nis_object *dest)
 {
@@ -32,7 +34,7 @@ nis_clone_object (const nis_object *src, nis_object *dest)
   if (src == NULL)
     return (NULL);
 
-  size = xdr_sizeof ((xdrproc_t)xdr_nis_object, (char *)src);
+  size = xdr_sizeof ((xdrproc_t)_xdr_nis_object, (char *)src);
   if ((addr = calloc(1, size)) == NULL)
     return NULL;
 
@@ -48,7 +50,7 @@ nis_clone_object (const nis_object *src, nis_object *dest)
     res = dest;
 
   xdrmem_create(&xdrs, addr, size, XDR_ENCODE);
-  if (!xdr_nis_object (&xdrs, (nis_object *)src))
+  if (!_xdr_nis_object (&xdrs, (nis_object *)src))
     {
       xdr_destroy (&xdrs);
       free (addr);
@@ -56,7 +58,7 @@ nis_clone_object (const nis_object *src, nis_object *dest)
     }
   xdr_destroy (&xdrs);
   xdrmem_create(&xdrs, addr, size, XDR_DECODE);
-  if (!xdr_nis_object(&xdrs, res))
+  if (!_xdr_nis_object(&xdrs, res))
     {
       xdr_destroy (&xdrs);
       free (addr);
diff --git a/nis/nis_clone_res.c b/nis/nis_clone_res.c
index 9bdc4d8835..d39fcafa7b 100644
--- a/nis/nis_clone_res.c
+++ b/nis/nis_clone_res.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
 
@@ -21,6 +21,8 @@
 #include <rpc/rpc.h>
 #include <rpcsvc/nis.h>
 
+#include "nis_xdr.h"
+
 nis_result *
 nis_clone_result (const nis_result *src, nis_result *dest)
 {
@@ -32,7 +34,7 @@ nis_clone_result (const nis_result *src, nis_result *dest)
   if (src == NULL)
     return (NULL);
 
-  size = xdr_sizeof ((xdrproc_t)xdr_nis_result, (char *)src);
+  size = xdr_sizeof ((xdrproc_t)_xdr_nis_result, (char *)src);
   if ((addr = calloc(1, size)) == NULL)
     return NULL;
 
@@ -48,7 +50,7 @@ nis_clone_result (const nis_result *src, nis_result *dest)
     res = dest;
 
   xdrmem_create(&xdrs, addr, size, XDR_ENCODE);
-  if (!xdr_nis_result (&xdrs, (nis_result *)src))
+  if (!_xdr_nis_result (&xdrs, (nis_result *)src))
     {
       xdr_destroy (&xdrs);
       free (addr);
@@ -56,7 +58,7 @@ nis_clone_result (const nis_result *src, nis_result *dest)
     }
   xdr_destroy (&xdrs);
   xdrmem_create(&xdrs, addr, size, XDR_DECODE);
-  if (!xdr_nis_result(&xdrs, res))
+  if (!_xdr_nis_result(&xdrs, res))
     {
       xdr_destroy (&xdrs);
       free (addr);
diff --git a/nis/nis_creategroup.c b/nis/nis_creategroup.c
index a96d67d29c..8333e09c89 100644
--- a/nis/nis_creategroup.c
+++ b/nis/nis_creategroup.c
@@ -62,7 +62,7 @@ nis_creategroup (const_nis_name group, u_long flags)
       res = nis_add (buf, obj);
       if (res == NULL)
 	return NIS_NOMEMORY;
-      status = res->status;
+      status = NIS_RES_STATUS (res);
       nis_freeresult (res);
       nis_free_object (obj);
 
diff --git a/nis/nis_file.c b/nis/nis_file.c
index fdd7cd4214..4634e67f61 100644
--- a/nis/nis_file.c
+++ b/nis/nis_file.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
 
@@ -21,6 +21,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <rpcsvc/nis.h>
+#include "nis_xdr.h"
 
 static const char cold_start_file[] = "/var/nis/NIS_COLD_START";
 
@@ -36,7 +37,7 @@ readColdStartFile (void)
     return NULL;
   memset (&obj, '\0', sizeof (obj));
   xdrstdio_create (&xdrs, in, XDR_DECODE);
-  if (!xdr_directory_obj (&xdrs, &obj))
+  if (!_xdr_directory_obj (&xdrs, &obj))
     return NULL;
 
   return nis_clone_directory (&obj, NULL);
@@ -53,7 +54,7 @@ writeColdStartFile (const directory_obj *obj)
     return FALSE;
 
   xdrstdio_create (&xdrs, out, XDR_ENCODE);
-  if (!xdr_directory_obj (&xdrs, (directory_obj *) obj))
+  if (!_xdr_directory_obj (&xdrs, (directory_obj *) obj))
     return FALSE;
 
   return TRUE;
@@ -72,7 +73,7 @@ nis_read_obj (const char *name)
 
   memset (&obj, '\0', sizeof (obj));
   xdrstdio_create (&xdrs, in, XDR_DECODE);
-  if (!xdr_nis_object (&xdrs, &obj))
+  if (!_xdr_nis_object (&xdrs, &obj))
     return NULL;
 
   return nis_clone_object (&obj, NULL);
@@ -89,7 +90,7 @@ nis_write_obj (const char *name, const nis_object *obj)
     return FALSE;
 
   xdrstdio_create (&xdrs, out, XDR_ENCODE);
-  if (!xdr_nis_object (&xdrs, (nis_object *) obj))
+  if (!_xdr_nis_object (&xdrs, (nis_object *) obj))
     return FALSE;
 
   return TRUE;
diff --git a/nis/nis_free.c b/nis/nis_free.c
index 5d08882f84..0b065572e3 100644
--- a/nis/nis_free.c
+++ b/nis/nis_free.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
 
@@ -18,13 +18,14 @@
    Boston, MA 02111-1307, USA.  */
 
 #include <rpcsvc/nis.h>
+#include "nis_xdr.h"
 
 void
 __free_fdresult (fd_result *res)
 {
   if (res != NULL)
     {
-      xdr_free ((xdrproc_t)xdr_fd_result, (char *)res);
+      xdr_free ((xdrproc_t)_xdr_fd_result, (char *)res);
       free (res);
     }
 }
@@ -34,7 +35,7 @@ nis_free_request (ib_request *ibreq)
 {
   if (ibreq != NULL)
     {
-      xdr_free ((xdrproc_t)xdr_ib_request, (char *)ibreq);
+      xdr_free ((xdrproc_t)_xdr_ib_request, (char *)ibreq);
       free (ibreq);
     }
 }
@@ -44,7 +45,7 @@ nis_free_directory (directory_obj *obj)
 {
   if (obj != NULL)
     {
-      xdr_free ((xdrproc_t)xdr_directory_obj, (char *)obj);
+      xdr_free ((xdrproc_t)_xdr_directory_obj, (char *)obj);
       free (obj);
     }
 }
@@ -54,7 +55,7 @@ nis_free_object (nis_object *obj)
 {
   if (obj != NULL)
     {
-      xdr_free ((xdrproc_t)xdr_nis_object, (char *)obj);
+      xdr_free ((xdrproc_t)_xdr_nis_object, (char *)obj);
       free (obj);
     }
 }
@@ -64,7 +65,7 @@ nis_freeresult (nis_result *res)
 {
   if (res != NULL)
     {
-      xdr_free ((xdrproc_t)xdr_nis_result, (char *)res);
+      xdr_free ((xdrproc_t)_xdr_nis_result, (char *)res);
       free (res);
     }
 }
diff --git a/nis/nis_getservlist.c b/nis/nis_getservlist.c
index 1629c24053..f88c156f89 100644
--- a/nis/nis_getservlist.c
+++ b/nis/nis_getservlist.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
 
@@ -19,6 +19,8 @@
 
 #include <string.h>
 #include <rpcsvc/nis.h>
+
+#include "nis_xdr.h"
 #include "nis_intern.h"
 
 nis_server **
@@ -111,7 +113,7 @@ nis_freeservlist (nis_server **serv)
   i = 0;
   while (serv[i] != NULL)
     {
-      xdr_free ((xdrproc_t)xdr_nis_server, (char *)serv[i]);
+      xdr_free ((xdrproc_t)_xdr_nis_server, (char *)serv[i]);
       free (serv[i]);
       ++i;
     }
diff --git a/nis/nis_local_names.c b/nis/nis_local_names.c
index bcae995837..22601a46aa 100644
--- a/nis/nis_local_names.c
+++ b/nis/nis_local_names.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
 
@@ -115,7 +115,7 @@ nis_local_principal (void)
 	  if (res == NULL)
 	    return strcpy (__principal, "nobody");
 
-	  if (res->status == NIS_SUCCESS)
+	  if (NIS_RES_STATUS (res) == NIS_SUCCESS)
 	    {
 	      if (res->objects.objects_len > 1)
 		{
diff --git a/nis/nis_lookup.c b/nis/nis_lookup.c
index cbc64c34a4..6a2198ac21 100644
--- a/nis/nis_lookup.c
+++ b/nis/nis_lookup.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@uni-paderborn.de>, 1997.
 
@@ -19,7 +19,7 @@
 
 #include <string.h>
 #include <rpcsvc/nis.h>
-
+#include "nis_xdr.h"
 #include "nis_intern.h"
 
 nis_result *
@@ -35,20 +35,22 @@ nis_lookup (const_nis_name name, const u_long flags)
   nis_name namebuf[2] = {NULL, NULL};
 
   res = calloc (1, sizeof (nis_result));
+  if (res == NULL)
+    return NULL;
 
   if (flags & EXPAND_NAME)
     {
       names = nis_getnames (name);
       if (names == NULL)
 	{
-	  res->status = NIS_NAMEUNREACHABLE;
+	  NIS_RES_STATUS (res) = NIS_NAMEUNREACHABLE;
 	  return res;
 	}
     }
   else
     {
       names = namebuf;
-      names[0] = (nis_name) name;
+      names[0] = (nis_name)name;
     }
 
   req.ns_name = names[0];
@@ -59,14 +61,14 @@ nis_lookup (const_nis_name name, const u_long flags)
       memset (res, '\0', sizeof (nis_result));
 
       status = __do_niscall (req.ns_name, NIS_LOOKUP,
-			     (xdrproc_t) xdr_ns_request,
+			     (xdrproc_t) _xdr_ns_request,
 			     (caddr_t) & req,
-			     (xdrproc_t) xdr_nis_result,
+			     (xdrproc_t) _xdr_nis_result,
 			     (caddr_t) res, flags, NULL);
       if (status != NIS_SUCCESS)
-	res->status = status;
+	NIS_RES_STATUS (res) = status;
 
-      switch (res->status)
+      switch (NIS_RES_STATUS (res))
 	{
 	case NIS_PARTIAL:
 	case NIS_SUCCESS:
@@ -77,7 +79,7 @@ nis_lookup (const_nis_name name, const u_long flags)
 	      /* if we hit the link limit, bail */
 	      if (count_links > NIS_MAXLINKS)
 		{
-		  res->status = NIS_LINKNAMEERROR;
+		  NIS_RES_STATUS (res) = NIS_LINKNAMEERROR;
 		  ++done;
 		  break;
 		}
@@ -87,6 +89,8 @@ nis_lookup (const_nis_name name, const u_long flags)
 	      req.ns_name = strdup (NIS_RES_OBJECT (res)->LI_data.li_name);
 	      nis_freeresult (res);
 	      res = calloc (1, sizeof (nis_result));
+	      if (res == NULL)
+		return NULL;
 	    }
 	  else
 	    ++done;
@@ -104,7 +108,7 @@ nis_lookup (const_nis_name name, const u_long flags)
 	  if (count_links)
 	    {
 	      free (req.ns_name);
-	      res->status = NIS_LINKNAMEERROR;
+	      NIS_RES_STATUS (res) = NIS_LINKNAMEERROR;
 	      ++done;
 	      break;
 	    }
diff --git a/nis/nis_mkdir.c b/nis/nis_mkdir.c
index e7858306ee..71fc4ba877 100644
--- a/nis/nis_mkdir.c
+++ b/nis/nis_mkdir.c
@@ -18,6 +18,8 @@
    Boston, MA 02111-1307, USA. */
 
 #include <rpcsvc/nis.h>
+
+#include "nis_xdr.h"
 #include "nis_intern.h"
 
 nis_error
@@ -26,13 +28,13 @@ nis_mkdir (const_nis_name dir, const nis_server *server)
   nis_error res, res2;
 
   if (server == NULL)
-    res2 = __do_niscall (dir, NIS_MKDIR, (xdrproc_t) xdr_nis_name,
-			 (caddr_t) &dir, (xdrproc_t) xdr_nis_error,
+    res2 = __do_niscall (dir, NIS_MKDIR, (xdrproc_t) _xdr_nis_name,
+			 (caddr_t) &dir, (xdrproc_t) _xdr_nis_error,
 			 (caddr_t) &res, 0, NULL);
   else
     res2 = __do_niscall2 (server, 1, NIS_MKDIR,
-			  (xdrproc_t) xdr_nis_name,
-			  (caddr_t) &dir, (xdrproc_t) xdr_nis_error,
+			  (xdrproc_t) _xdr_nis_name,
+			  (caddr_t) &dir, (xdrproc_t) _xdr_nis_error,
 			  (caddr_t) &res, 0, NULL, NULL);
   if (res2 != NIS_SUCCESS)
     return res2;
diff --git a/nis/nis_modify.c b/nis/nis_modify.c
index 3f2cca4698..57efe82bf2 100644
--- a/nis/nis_modify.c
+++ b/nis/nis_modify.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@uni-paderborn.de>, 1997.
 
@@ -19,52 +19,53 @@
 
 #include <rpcsvc/nis.h>
 
+#include "nis_xdr.h"
 #include "nis_intern.h"
 
 nis_result *
-nis_modify (const_nis_name name, const nis_object *obj)
+nis_modify (const_nis_name name, const nis_object *obj2)
 {
+  nis_object obj;
   nis_result *res;
   nis_error status;
   struct ns_request req;
-  char *p1, *p2, *p3, *p4;
-  char buf1 [strlen (name) + 20];
-  char buf4 [strlen (name) + 20];
+  size_t namelen = strlen (name);
+  char buf1[namelen + 20];
+  char buf4[namelen + 20];
 
   res = calloc (1, sizeof (nis_result));
+  if (res == NULL)
+    return NULL;
 
-  req.ns_name = (char *) name;
+  req.ns_name = (char *)name;
 
-  req.ns_object.ns_object_len = 1;
-  req.ns_object.ns_object_val = nis_clone_object (obj, NULL);
+  memcpy (&obj, obj2, sizeof (nis_object));
 
-  p1 = req.ns_object.ns_object_val[0].zo_name;
-  if (p1 == NULL || strlen (p1) == 0)
-    req.ns_object.ns_object_val[0].zo_name =
-      nis_leaf_of_r (name, buf1, sizeof (buf1));
+  if (obj.zo_name == NULL || obj.zo_name[0] == '\0')
+    obj.zo_name = nis_leaf_of_r (name, buf1, sizeof (buf1));
 
-  p2 = req.ns_object.ns_object_val[0].zo_owner;
-  if (p2 == NULL || strlen (p2) == 0)
-    req.ns_object.ns_object_val[0].zo_owner = nis_local_principal ();
+  if (obj.zo_owner == NULL || obj.zo_owner[0] == '\0')
+    obj.zo_owner = nis_local_principal ();
 
-  p3 = req.ns_object.ns_object_val[0].zo_group;
-  if (p3 == NULL || strlen (p3) == 0)
-    req.ns_object.ns_object_val[0].zo_group = nis_local_group ();
+  if (obj.zo_group == NULL || obj.zo_group[0] == '\0')
+    obj.zo_group = nis_local_group ();
 
-  p4 = req.ns_object.ns_object_val[0].zo_domain;
-  req.ns_object.ns_object_val[0].zo_domain =
-    nis_domain_of_r (name, buf4, sizeof (buf4));
+  obj.zo_domain = nis_domain_of_r (name, buf4, sizeof (buf4));
 
-  if ((status = __do_niscall (name, NIS_MODIFY, (xdrproc_t) xdr_ns_request,
-			      (caddr_t) & req, (xdrproc_t) xdr_nis_result,
-			      (caddr_t) res, MASTER_ONLY,
-			      NULL)) != RPC_SUCCESS)
-    NIS_RES_STATUS (res) = status;
+  req.ns_object.ns_object_val = nis_clone_object (&obj, NULL);
+  if (req.ns_object.ns_object_val == NULL)
+    {
+      NIS_RES_STATUS (res) = NIS_NOMEMORY;
+      return res;
+    }
+  req.ns_object.ns_object_len = 1;
 
-  req.ns_object.ns_object_val[0].zo_name = p1;
-  req.ns_object.ns_object_val[0].zo_owner = p2;
-  req.ns_object.ns_object_val[0].zo_group = p3;
-  req.ns_object.ns_object_val[0].zo_domain = p4;
+  status = __do_niscall (name, NIS_MODIFY, (xdrproc_t) _xdr_ns_request,
+			 (caddr_t) & req, (xdrproc_t) _xdr_nis_result,
+			 (caddr_t) res, MASTER_ONLY,
+			 NULL);
+  if (status != RPC_SUCCESS)
+    NIS_RES_STATUS (res) = status;
 
   nis_destroy_object (req.ns_object.ns_object_val);
 
diff --git a/nis/nis_ping.c b/nis/nis_ping.c
index 03562c3e84..1becd4bf89 100644
--- a/nis/nis_ping.c
+++ b/nis/nis_ping.c
@@ -18,6 +18,8 @@
    Boston, MA 02111-1307, USA. */
 
 #include <rpcsvc/nis.h>
+
+#include "nis_xdr.h"
 #include "nis_intern.h"
 
 void
@@ -34,7 +36,7 @@ nis_ping (const_nis_name dirname, u_long utime, const nis_object *dirobj)
   if (dirobj == NULL)
     {
       res = nis_lookup (dirname, MASTER_ONLY);
-      if (res->status != NIS_SUCCESS)
+      if (NIS_RES_STATUS (res) != NIS_SUCCESS)
 	return;
       obj = res->objects.objects_val;
     }
@@ -55,9 +57,10 @@ nis_ping (const_nis_name dirname, u_long utime, const nis_object *dirobj)
     args.dir = (char *) dirname;
   args.stamp = utime;
 
-  for (i = 0; i < obj->DI_data.do_servers.do_servers_len; ++i)
+  /* Send the ping only to replicas */
+  for (i = 1; i < obj->DI_data.do_servers.do_servers_len; ++i)
     __do_niscall2 (&obj->DI_data.do_servers.do_servers_val[i], 1,
-		   NIS_PING, (xdrproc_t) xdr_ping_args,
+		   NIS_PING, (xdrproc_t) _xdr_ping_args,
 		   (caddr_t) &args, (xdrproc_t) xdr_void,
 		   (caddr_t) NULL, 0, NULL, NULL);
   if (res)
diff --git a/nis/nis_print.c b/nis/nis_print.c
index 01a2d9dcec..0e36017615 100644
--- a/nis/nis_print.c
+++ b/nis/nis_print.c
@@ -351,7 +351,7 @@ nis_print_result (const nis_result *res)
 {
   unsigned int i;
 
-  printf (_("Status            : %s\n"), nis_sperrno (res->status));
+  printf (_("Status            : %s\n"), nis_sperrno (NIS_RES_STATUS (res)));
   printf (_("Number of objects : %u\n"), res->objects.objects_len);
 
   for (i = 0; i < res->objects.objects_len; i++)
diff --git a/nis/nis_remove.c b/nis/nis_remove.c
index cbbbdfcfd0..390fbe86a8 100644
--- a/nis/nis_remove.c
+++ b/nis/nis_remove.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@uni-paderborn.de>, 1997.
 
@@ -19,6 +19,7 @@
 
 #include <rpcsvc/nis.h>
 
+#include "nis_xdr.h"
 #include "nis_intern.h"
 
 nis_result *
@@ -29,8 +30,10 @@ nis_remove (const_nis_name name, const nis_object *obj)
   struct ns_request req;
 
   res = calloc (1, sizeof (nis_result));
+  if (res == NULL)
+    return NULL;
 
-  req.ns_name = (char *) name;
+  req.ns_name = (char *)name;
 
   if (obj != NULL)
     {
@@ -43,8 +46,8 @@ nis_remove (const_nis_name name, const nis_object *obj)
       req.ns_object.ns_object_val = NULL;
     }
 
-  if ((status = __do_niscall (name, NIS_REMOVE, (xdrproc_t) xdr_ns_request,
-			      (caddr_t) & req, (xdrproc_t) xdr_nis_result,
+  if ((status = __do_niscall (name, NIS_REMOVE, (xdrproc_t) _xdr_ns_request,
+			      (caddr_t) &req, (xdrproc_t) _xdr_nis_result,
 			      (caddr_t) res, MASTER_ONLY,
 			      NULL)) != RPC_SUCCESS)
     NIS_RES_STATUS (res) = status;
diff --git a/nis/nis_removemember.c b/nis/nis_removemember.c
index 71807a3ffe..28050a1ac3 100644
--- a/nis/nis_removemember.c
+++ b/nis/nis_removemember.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
 
@@ -43,9 +43,9 @@ nis_removemember (const_nis_name member, const_nis_name group)
           stpcpy (cp, cp2);
         }
       res = nis_lookup (buf, FOLLOW_LINKS|EXPAND_NAME);
-      if (res->status != NIS_SUCCESS)
+      if (NIS_RES_STATUS (res) != NIS_SUCCESS)
         {
-          status = res->status;
+          status = NIS_RES_STATUS (res);
           nis_freeresult (res);
           return status;
         }
@@ -57,6 +57,8 @@ nis_removemember (const_nis_name member, const_nis_name group)
       newmem =
 	calloc (1, NIS_RES_OBJECT(res)->GR_data.gr_members.gr_members_len *
 		sizeof (char *));
+      if (newmem == NULL)
+	return NIS_NOMEMORY;
       k = NIS_RES_OBJECT (res)[0].GR_data.gr_members.gr_members_len;
       j = 0;
       for (i = 0; i < NIS_RES_OBJECT(res)->GR_data.gr_members.gr_members_len;
@@ -76,6 +78,8 @@ nis_removemember (const_nis_name member, const_nis_name group)
 	}
       free (NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_val);
       newmem = realloc (newmem, k * sizeof (char*));
+      if (newmem == NULL)
+	return NIS_NOMEMORY;
       NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_val = newmem;
       NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_len = k;
 
@@ -83,7 +87,7 @@ nis_removemember (const_nis_name member, const_nis_name group)
       *cp++ = '.';
       strncpy (cp, NIS_RES_OBJECT (res)->zo_domain, NIS_MAXNAMELEN);
       res2 = nis_modify (buf, NIS_RES_OBJECT (res));
-      status = res2->status;
+      status = NIS_RES_STATUS (res2);
       nis_freeresult (res);
       nis_freeresult (res2);
 
diff --git a/nis/nis_rmdir.c b/nis/nis_rmdir.c
index 1fc1f09639..1f3e91874c 100644
--- a/nis/nis_rmdir.c
+++ b/nis/nis_rmdir.c
@@ -18,6 +18,8 @@
    Boston, MA 02111-1307, USA. */
 
 #include <rpcsvc/nis.h>
+
+#include "nis_xdr.h"
 #include "nis_intern.h"
 
 nis_error
@@ -29,8 +31,8 @@ nis_rmdir (const_nis_name dir, const nis_server *server)
     return NIS_SYSTEMERROR;
 
   res2 = __do_niscall2 (server, 1, NIS_RMDIR,
-			(xdrproc_t) xdr_nis_name,
-			(caddr_t) &dir, (xdrproc_t) xdr_nis_error,
+			(xdrproc_t) _xdr_nis_name,
+			(caddr_t) &dir, (xdrproc_t) _xdr_nis_error,
 			(caddr_t) &res, 0, NULL, NULL);
   if (res2 != NIS_SUCCESS)
     return res2;
diff --git a/nis/nis_server.c b/nis/nis_server.c
index 26b7ca5358..aa0f05eb39 100644
--- a/nis/nis_server.c
+++ b/nis/nis_server.c
@@ -19,6 +19,8 @@
 
 #include <string.h>
 #include <rpcsvc/nis.h>
+
+#include "nis_xdr.h"
 #include "nis_intern.h"
 
 nis_error
@@ -37,8 +39,8 @@ nis_servstate (const nis_server *serv, const nis_tag *tags,
   if (serv == NULL)
     return NIS_BADOBJECT;
 
-  if (__do_niscall2 (serv, 1, NIS_SERVSTATE, (xdrproc_t) xdr_nis_taglist,
-		     (caddr_t) &taglist, (xdrproc_t) xdr_nis_taglist,
+  if (__do_niscall2 (serv, 1, NIS_SERVSTATE, (xdrproc_t) _xdr_nis_taglist,
+		     (caddr_t) &taglist, (xdrproc_t) _xdr_nis_taglist,
 		     (caddr_t) &tagres, 0, NULL, NULL) != RPC_SUCCESS)
     return NIS_RPCERROR;
 
@@ -63,8 +65,8 @@ nis_stats (const nis_server *serv, const nis_tag *tags,
   if (serv == NULL)
     return NIS_BADOBJECT;
 
-  if (__do_niscall2 (serv, 1, NIS_STATUS, (xdrproc_t) xdr_nis_taglist,
-		     (caddr_t) &taglist, (xdrproc_t) xdr_nis_taglist,
+  if (__do_niscall2 (serv, 1, NIS_STATUS, (xdrproc_t) _xdr_nis_taglist,
+		     (caddr_t) &taglist, (xdrproc_t) _xdr_nis_taglist,
 		     (caddr_t) &tagres, 0, NULL, NULL) != RPC_SUCCESS)
     return NIS_RPCERROR;
 
diff --git a/nis/nis_table.c b/nis/nis_table.c
index 084ce68193..70d2b80fbc 100644
--- a/nis/nis_table.c
+++ b/nis/nis_table.c
@@ -19,6 +19,8 @@
 
 #include <string.h>
 #include <rpcsvc/nis.h>
+
+#include "nis_xdr.h"
 #include "nis_intern.h"
 
 static void
@@ -175,10 +177,12 @@ nis_list (const_nis_name name, u_long flags,
   nis_cb *cb = NULL;
 
   res = calloc (1, sizeof (nis_result));
+  if (res == NULL)
+    return NULL;
 
   if (__create_ib_request (name, ibreq, flags) == NULL)
     {
-      res->status = NIS_BADNAME;
+      NIS_RES_STATUS (res) = NIS_BADNAME;
       return res;
     }
 
@@ -189,7 +193,7 @@ nis_list (const_nis_name name, u_long flags,
       ibreq->ibr_name = NULL;
       if (names == NULL)
 	{
-	  res->status = NIS_BADNAME;
+	  NIS_RES_STATUS (res) = NIS_BADNAME;
 	  return res;
 	}
       ibreq->ibr_name = strdup (names[name_nr]);
@@ -210,14 +214,12 @@ nis_list (const_nis_name name, u_long flags,
       char *ntable, *p;
       u_long done = 0, failures = 0;
 
-      memset (res, '\0', sizeof (nis_result));
-
       while (names[name_nr] != NULL && !done)
 	{
 	  lres = nis_lookup (names[name_nr], newflags);
-	  if (lres == NULL || lres->status != NIS_SUCCESS)
+	  if (lres == NULL || NIS_RES_STATUS (lres) != NIS_SUCCESS)
 	    {
-	      res->status = lres->status;
+	      NIS_RES_STATUS (res) = NIS_RES_STATUS (lres);
 	      nis_freeresult (lres);
 	      ++name_nr;
 	      continue;
@@ -228,7 +230,7 @@ nis_list (const_nis_name name, u_long flags,
 	  if (__type_of (NIS_RES_OBJECT (lres)) != NIS_TABLE_OBJ)
 	    {
 	      nis_freeresult (lres);
-	      res->status = NIS_INVALIDOBJ;
+	      NIS_RES_STATUS (res) = NIS_INVALIDOBJ;
 	      break;
 	    }
 
@@ -263,7 +265,7 @@ nis_list (const_nis_name name, u_long flags,
 		res = nis_list (ntable, newflags, callback, userdata);
 	      if (res == NULL)
 		return NULL;
-	      switch (res->status)
+	      switch (NIS_RES_STATUS (res))
 		{
 		case NIS_SUCCESS:
 		case NIS_CBRESULTS:
@@ -281,10 +283,10 @@ nis_list (const_nis_name name, u_long flags,
 		  break;
 		}
 	    }
-	  if (res->status == NIS_SUCCESS && failures)
-	    res->status = NIS_S_SUCCESS;
-	  if (res->status == NIS_NOTFOUND && failures)
-	    res->status = NIS_S_NOTFOUND;
+	  if (NIS_RES_STATUS (res) == NIS_SUCCESS && failures)
+	    NIS_RES_STATUS (res) = NIS_S_SUCCESS;
+	  if (NIS_RES_STATUS (res) == NIS_NOTFOUND && failures)
+	    NIS_RES_STATUS (res) = NIS_S_NOTFOUND;
 	  break;
 	}
     }
@@ -302,13 +304,13 @@ nis_list (const_nis_name name, u_long flags,
 	  memset (res, '\0', sizeof (nis_result));
 
 	  status = __do_niscall (ibreq->ibr_name, NIS_IBLIST,
-				 (xdrproc_t) xdr_ib_request,
-				 (caddr_t) ibreq, (xdrproc_t) xdr_nis_result,
+				 (xdrproc_t) _xdr_ib_request,
+				 (caddr_t) ibreq, (xdrproc_t) _xdr_nis_result,
 				 (caddr_t) res, flags, cb);
 	  if (status != NIS_SUCCESS)
-	    res->status = status;
+	    NIS_RES_STATUS (res) = status;
 
-	  switch (res->status)
+	  switch (NIS_RES_STATUS (res))
 	    {
 	    case NIS_PARTIAL:
 	    case NIS_SUCCESS:
@@ -319,7 +321,7 @@ nis_list (const_nis_name name, u_long flags,
 		  /* If we hit the link limit, bail.  */
 		  if (count_links > NIS_MAXLINKS)
 		    {
-		      res->status = NIS_LINKNAMEERROR;
+		      NIS_RES_STATUS (res) = NIS_LINKNAMEERROR;
 		      ++done;
 		      break;
 		    }
@@ -344,7 +346,9 @@ nis_list (const_nis_name name, u_long flags,
 		++done;
 	      break;
 	    case NIS_CBRESULTS:
-	      /* Calback is handled in nis_call.c (__do_niscall2).  */
+	      /* Calback is handled in nis_call.c (__do_niscall2),
+		 but we have to change the error code */
+	      NIS_RES_STATUS (res) = cb->result;
 	      ++done;
 	      break;
 	    case NIS_UNAVAIL:
@@ -356,7 +360,7 @@ nis_list (const_nis_name name, u_long flags,
 	      if (count_links)
 		{
 		  free (ibreq->ibr_name);
-		  res->status = NIS_LINKNAMEERROR;
+		  NIS_RES_STATUS (res) = NIS_LINKNAMEERROR;
 		  ++done;
 		  break;
 		}
@@ -388,55 +392,58 @@ nis_list (const_nis_name name, u_long flags,
 }
 
 nis_result *
-nis_add_entry (const_nis_name name, const nis_object *obj,
-	       u_long flags)
+nis_add_entry (const_nis_name name, const nis_object *obj2, u_long flags)
 {
+  nis_object obj;
   nis_result *res;
   nis_error status;
   ib_request *ibreq = calloc (1, sizeof (ib_request));
-  char *p1, *p2, *p3, *p4;
   char buf1[strlen (name) + 20];
   char buf4[strlen (name) + 20];
 
   res = calloc (1, sizeof (nis_result));
+  if (res == NULL)
+    return NULL;
+
+  if (ibreq == NULL)
+    {
+      NIS_RES_STATUS (res) = NIS_NOMEMORY;
+      return res;
+    }
 
   if (__create_ib_request (name, ibreq, flags) == NULL)
     {
-      res->status = NIS_BADNAME;
+      NIS_RES_STATUS (res) = NIS_BADNAME;
       return res;
     }
 
-  ibreq->ibr_obj.ibr_obj_val = nis_clone_object (obj, NULL);
-  ibreq->ibr_obj.ibr_obj_len = 1;
+  memcpy (&obj, obj2, sizeof (nis_object));
 
-  p1 = ibreq->ibr_obj.ibr_obj_val->zo_name;
-  if (p1 == NULL || strlen (p1) == 0)
-    ibreq->ibr_obj.ibr_obj_val->zo_name =
-      nis_leaf_of_r (name, buf1, sizeof (buf1));
+  if (obj.zo_name == NULL || strlen (obj.zo_name) == 0)
+    obj.zo_name = nis_leaf_of_r (name, buf1, sizeof (buf1));
 
-  p2 = ibreq->ibr_obj.ibr_obj_val->zo_owner;
-  if (p2 == NULL || strlen (p2) == 0)
-    ibreq->ibr_obj.ibr_obj_val->zo_owner = nis_local_principal ();
+  if (obj.zo_owner == NULL || strlen (obj.zo_owner) == 0)
+    obj.zo_owner = nis_local_principal ();
 
-  p3 = ibreq->ibr_obj.ibr_obj_val->zo_group;
-  if (p3 == NULL || strlen (p3) == 0)
-    ibreq->ibr_obj.ibr_obj_val->zo_group = nis_local_group ();
+  if (obj.zo_group == NULL || strlen (obj.zo_group) == 0)
+    obj.zo_group = nis_local_group ();
 
-  p4 = ibreq->ibr_obj.ibr_obj_val->zo_domain;
-  ibreq->ibr_obj.ibr_obj_val->zo_domain =
-    nis_domain_of_r (name, buf4, sizeof (buf4));
+  obj.zo_domain = nis_domain_of_r (name, buf4, sizeof (buf4));
+
+  ibreq->ibr_obj.ibr_obj_val = nis_clone_object (&obj, NULL);
+  if (ibreq->ibr_obj.ibr_obj_val == NULL)
+    {
+      NIS_RES_STATUS (res) = NIS_NOMEMORY;
+      return res;
+    }
+  ibreq->ibr_obj.ibr_obj_len = 1;
 
   if ((status = __do_niscall (ibreq->ibr_name, NIS_IBADD,
-			      (xdrproc_t) xdr_ib_request,
+			      (xdrproc_t) _xdr_ib_request,
 			      (caddr_t) ibreq,
-			      (xdrproc_t) xdr_nis_result,
+			      (xdrproc_t) _xdr_nis_result,
 			      (caddr_t) res, 0, NULL)) != NIS_SUCCESS)
-    res->status = status;
-
-  ibreq->ibr_obj.ibr_obj_val->zo_name = p1;
-  ibreq->ibr_obj.ibr_obj_val->zo_owner = p2;
-  ibreq->ibr_obj.ibr_obj_val->zo_group = p3;
-  ibreq->ibr_obj.ibr_obj_val->zo_domain = p4;
+    NIS_RES_STATUS (res) = status;
 
   nis_free_request (ibreq);
 
@@ -444,13 +451,12 @@ nis_add_entry (const_nis_name name, const nis_object *obj,
 }
 
 nis_result *
-nis_modify_entry (const_nis_name name, const nis_object *obj,
-		  u_long flags)
+nis_modify_entry (const_nis_name name, const nis_object *obj2, u_long flags)
 {
+  nis_object obj;
   nis_result *res;
   nis_error status;
   ib_request *ibreq = calloc (1, sizeof (ib_request));
-  char *p1, *p2, *p3, *p4;
   char buf1[strlen (name) + 20];
   char buf4[strlen (name) + 20];
 
@@ -458,40 +464,36 @@ nis_modify_entry (const_nis_name name, const nis_object *obj,
 
   if (__create_ib_request (name, ibreq, flags) == NULL)
     {
-      res->status = NIS_BADNAME;
+      NIS_RES_STATUS (res) = NIS_BADNAME;
       return res;
     }
 
-  ibreq->ibr_obj.ibr_obj_val = nis_clone_object (obj, NULL);
-  ibreq->ibr_obj.ibr_obj_len = 1;
+  memcpy (&obj, obj2, sizeof (nis_object));
 
-  p1 = ibreq->ibr_obj.ibr_obj_val->zo_name;
-  if (p1 == NULL || strlen (p1) == 0)
-    ibreq->ibr_obj.ibr_obj_val->zo_name =
-      nis_leaf_of_r (name, buf1, sizeof (buf1));
+  if (obj.zo_name == NULL || strlen (obj.zo_name) == 0)
+    obj.zo_name = nis_leaf_of_r (name, buf1, sizeof (buf1));
 
-  p2 = ibreq->ibr_obj.ibr_obj_val->zo_owner;
-  if (p2 == NULL || strlen (p2) == 0)
-    ibreq->ibr_obj.ibr_obj_val->zo_owner = nis_local_principal ();
+  if (obj.zo_owner == NULL || strlen (obj.zo_owner) == 0)
+    obj.zo_owner = nis_local_principal ();
 
-  p3 = ibreq->ibr_obj.ibr_obj_val->zo_group;
-  if (p3 == NULL || strlen (p3) == 0)
-    ibreq->ibr_obj.ibr_obj_val->zo_group = nis_local_group ();
+  if (obj.zo_group == NULL || strlen (obj.zo_group) == 0)
+    obj.zo_group = nis_local_group ();
 
-  p4 = ibreq->ibr_obj.ibr_obj_val->zo_domain;
-  ibreq->ibr_obj.ibr_obj_val->zo_domain =
-    nis_domain_of_r (name, buf4, sizeof (buf4));
+  obj.zo_domain = nis_domain_of_r (name, buf4, sizeof (buf4));
+
+  ibreq->ibr_obj.ibr_obj_val = nis_clone_object (&obj, NULL);
+  if (ibreq->ibr_obj.ibr_obj_val == NULL)
+    {
+      NIS_RES_STATUS (res) = NIS_NOMEMORY;
+      return res;
+    }
+  ibreq->ibr_obj.ibr_obj_len = 1;
 
   if ((status = __do_niscall (ibreq->ibr_name, NIS_IBMODIFY,
-			      (xdrproc_t) xdr_ib_request,
-			      (caddr_t) ibreq, (xdrproc_t) xdr_nis_result,
+			      (xdrproc_t) _xdr_ib_request,
+			      (caddr_t) ibreq, (xdrproc_t) _xdr_nis_result,
 			      (caddr_t) res, 0, NULL)) != NIS_SUCCESS)
-    res->status = status;
-
-  ibreq->ibr_obj.ibr_obj_val->zo_name = p1;
-  ibreq->ibr_obj.ibr_obj_val->zo_owner = p2;
-  ibreq->ibr_obj.ibr_obj_val->zo_group = p3;
-  ibreq->ibr_obj.ibr_obj_val->zo_domain = p4;
+    NIS_RES_STATUS (res) = status;
 
   nis_free_request (ibreq);
 
@@ -507,24 +509,37 @@ nis_remove_entry (const_nis_name name, const nis_object *obj,
   nis_error status;
 
   res = calloc (1, sizeof (nis_result));
+  if (res == NULL)
+    return NULL;
+
+  if (ibreq == NULL)
+    {
+      NIS_RES_STATUS (res) = NIS_NOMEMORY;
+      return res;
+    }
 
   if (__create_ib_request (name, ibreq, flags) == NULL)
     {
-      res->status = NIS_BADNAME;
+      NIS_RES_STATUS (res) = NIS_BADNAME;
       return res;
     }
 
   if (obj != NULL)
     {
       ibreq->ibr_obj.ibr_obj_val = nis_clone_object (obj, NULL);
+      if (ibreq->ibr_obj.ibr_obj_val == NULL)
+	{
+	  NIS_RES_STATUS (res) = NIS_NOMEMORY;
+	  return res;
+	}
       ibreq->ibr_obj.ibr_obj_len = 1;
     }
 
   if ((status = __do_niscall (ibreq->ibr_name, NIS_IBREMOVE,
-			      (xdrproc_t) xdr_ib_request,
-			      (caddr_t) ibreq, (xdrproc_t) xdr_nis_result,
+			      (xdrproc_t) _xdr_ib_request,
+			      (caddr_t) ibreq, (xdrproc_t) _xdr_nis_result,
 			      (caddr_t) res, 0, NULL)) != NIS_SUCCESS)
-    res->status = status;
+    NIS_RES_STATUS (res) = status;
 
   nis_free_request (ibreq);
 
@@ -539,18 +554,26 @@ nis_first_entry (const_nis_name name)
   nis_error status;
 
   res = calloc (1, sizeof (nis_result));
+  if (res == NULL)
+    return NULL;
+
+  if (ibreq == NULL)
+    {
+      NIS_RES_STATUS (res) = NIS_NOMEMORY;
+      return res;
+    }
 
   if (__create_ib_request (name, ibreq, 0) == NULL)
     {
-      res->status = NIS_BADNAME;
+      NIS_RES_STATUS (res) = NIS_BADNAME;
       return res;
     }
 
   if ((status = __do_niscall (ibreq->ibr_name, NIS_IBFIRST,
-			      (xdrproc_t) xdr_ib_request,
-			      (caddr_t) ibreq, (xdrproc_t) xdr_nis_result,
+			      (xdrproc_t) _xdr_ib_request,
+			      (caddr_t) ibreq, (xdrproc_t) _xdr_nis_result,
 			      (caddr_t) res, 0, NULL)) != NIS_SUCCESS)
-    res->status = status;
+    NIS_RES_STATUS (res) = status;
 
   nis_free_request (ibreq);
 
@@ -565,10 +588,18 @@ nis_next_entry (const_nis_name name, const netobj *cookie)
   nis_error status;
 
   res = calloc (1, sizeof (nis_result));
+  if (res == NULL)
+    return NULL;
+
+  if (ibreq == NULL)
+    {
+      NIS_RES_STATUS (res) = NIS_NOMEMORY;
+      return res;
+    }
 
   if (__create_ib_request (name, ibreq, 0) == NULL)
     {
-      res->status = NIS_BADNAME;
+      NIS_RES_STATUS (res) = NIS_BADNAME;
       return res;
     }
 
@@ -577,19 +608,19 @@ nis_next_entry (const_nis_name name, const netobj *cookie)
       ibreq->ibr_cookie.n_bytes = malloc (cookie->n_len);
       if (ibreq->ibr_cookie.n_bytes == NULL)
 	{
-	  res->status = NIS_NOMEMORY;
-	  free (res);
-	  return NULL;
+	  NIS_RES_STATUS (res) = NIS_NOMEMORY;
+	  nis_free_request (ibreq);
+	  return res;
 	}
       memcpy (ibreq->ibr_cookie.n_bytes, cookie->n_bytes, cookie->n_len);
       ibreq->ibr_cookie.n_len = cookie->n_len;
     }
 
   if ((status = __do_niscall (ibreq->ibr_name, NIS_IBNEXT,
-			      (xdrproc_t) xdr_ib_request,
-			      (caddr_t) ibreq, (xdrproc_t) xdr_nis_result,
+			      (xdrproc_t) _xdr_ib_request,
+			      (caddr_t) ibreq, (xdrproc_t) _xdr_nis_result,
 			      (caddr_t) res, 0, NULL)) != NIS_SUCCESS)
-    res->status = status;
+    NIS_RES_STATUS (res) = status;
 
   nis_free_request (ibreq);
 
diff --git a/nis/nis_util.c b/nis/nis_util.c
index e516647bec..656b1a48c1 100644
--- a/nis/nis_util.c
+++ b/nis/nis_util.c
@@ -19,6 +19,8 @@
 
 #include <string.h>
 #include <rpcsvc/nis.h>
+
+#include "nis_xdr.h"
 #include "nis_intern.h"
 
 fd_result *
@@ -34,8 +36,8 @@ __nis_finddirectory (directory_obj *dir, const_nis_name name)
 
   status = __do_niscall2 (dir->do_servers.do_servers_val,
 			  dir->do_servers.do_servers_len,
-			  NIS_FINDDIRECTORY, (xdrproc_t) xdr_fd_args,
-			  (caddr_t) &fd_args, (xdrproc_t) xdr_fd_result,
+			  NIS_FINDDIRECTORY, (xdrproc_t) _xdr_fd_args,
+			  (caddr_t) &fd_args, (xdrproc_t) _xdr_fd_result,
 			  (caddr_t) fd_res, NO_AUTHINFO|USE_DGRAM, NULL, NULL);
   if (status != NIS_SUCCESS)
     fd_res->status = status;
diff --git a/nis/nis_verifygroup.c b/nis/nis_verifygroup.c
index be65120ae8..6d3ec7b7b7 100644
--- a/nis/nis_verifygroup.c
+++ b/nis/nis_verifygroup.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
 
@@ -41,7 +41,7 @@ nis_verifygroup (const_nis_name group)
 	  stpcpy (cp, cp2);
 	}
       res = nis_lookup (buf, 0);
-      status = res->status;
+      status = NIS_RES_STATUS (res);
       nis_freeresult (res);
       return status;
     }
diff --git a/nis/nis_xdr.c b/nis/nis_xdr.c
index 0c253da127..efeb7d09dd 100644
--- a/nis/nis_xdr.c
+++ b/nis/nis_xdr.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
 
@@ -18,8 +18,14 @@
    Boston, MA 02111-1307, USA.  */
 
 #include <rpcsvc/nis.h>
+#include <rpcsvc/nis_callback.h> /* for "official" Solaris xdr functions */
 
-bool_t
+/* This functions do exist without beginning "_" under Solaris 2.x, but
+   we have no prototypes for them. To avoid the same problems as with the
+   YP xdr functions, we don't make them public. */
+#include "nis_xdr.h"
+
+static bool_t
 xdr_nis_attr (XDR *xdrs, nis_attr *objp)
 {
   if (!xdr_string (xdrs, &objp->zattr_ndx, ~0))
@@ -31,14 +37,14 @@ xdr_nis_attr (XDR *xdrs, nis_attr *objp)
 }
 
 bool_t
-xdr_nis_name (XDR *xdrs, nis_name *objp)
+_xdr_nis_name (XDR *xdrs, nis_name *objp)
 {
   if (!xdr_string (xdrs, objp, ~0))
     return FALSE;
   return TRUE;
 }
 
-bool_t
+static bool_t
 xdr_zotypes (XDR *xdrs, zotypes *objp)
 {
   if (!xdr_enum (xdrs, (enum_t *) objp))
@@ -46,7 +52,7 @@ xdr_zotypes (XDR *xdrs, zotypes *objp)
   return TRUE;
 }
 
-bool_t
+static bool_t
 xdr_nstype (XDR *xdrs, nstype *objp)
 {
   if (!xdr_enum (xdrs, (enum_t *) objp))
@@ -54,7 +60,7 @@ xdr_nstype (XDR *xdrs, nstype *objp)
   return TRUE;
 }
 
-bool_t
+static bool_t
 xdr_oar_mask (XDR *xdrs, oar_mask *objp)
 {
   if (!xdr_u_long (xdrs, &objp->oa_rights))
@@ -64,7 +70,7 @@ xdr_oar_mask (XDR *xdrs, oar_mask *objp)
   return TRUE;
 }
 
-bool_t
+static bool_t
 xdr_endpoint (XDR *xdrs, endpoint *objp)
 {
   if (!xdr_string (xdrs, &objp->uaddr, ~0))
@@ -77,9 +83,9 @@ xdr_endpoint (XDR *xdrs, endpoint *objp)
 }
 
 bool_t
-xdr_nis_server (XDR *xdrs, nis_server *objp)
+_xdr_nis_server (XDR *xdrs, nis_server *objp)
 {
-  if (!xdr_nis_name (xdrs, &objp->name))
+  if (!_xdr_nis_name (xdrs, &objp->name))
     return FALSE;
   if (!xdr_array (xdrs, (char **) &objp->ep.ep_val, (u_int *) &objp->ep.ep_len,
 		  ~0, sizeof (endpoint), (xdrproc_t) xdr_endpoint))
@@ -92,15 +98,15 @@ xdr_nis_server (XDR *xdrs, nis_server *objp)
 }
 
 bool_t
-xdr_directory_obj (XDR *xdrs, directory_obj *objp)
+_xdr_directory_obj (XDR *xdrs, directory_obj *objp)
 {
-  if (!xdr_nis_name (xdrs, &objp->do_name))
+  if (!_xdr_nis_name (xdrs, &objp->do_name))
     return FALSE;
   if (!xdr_nstype (xdrs, &objp->do_type))
     return FALSE;
   if (!xdr_array (xdrs, (char **) &objp->do_servers.do_servers_val,
 		  (u_int *) & objp->do_servers.do_servers_len, ~0,
-		  sizeof (nis_server), (xdrproc_t) xdr_nis_server))
+		  sizeof (nis_server), (xdrproc_t) _xdr_nis_server))
     return FALSE;
 
   if (!xdr_u_long (xdrs, &objp->do_ttl))
@@ -112,7 +118,7 @@ xdr_directory_obj (XDR *xdrs, directory_obj *objp)
   return TRUE;
 }
 
-bool_t
+static bool_t
 xdr_entry_col (XDR *xdrs, entry_col *objp)
 {
   if (!xdr_u_long (xdrs, &objp->ec_flags))
@@ -123,7 +129,7 @@ xdr_entry_col (XDR *xdrs, entry_col *objp)
   return TRUE;
 }
 
-bool_t
+static bool_t
 xdr_entry_obj (XDR *xdrs, entry_obj *objp)
 {
   if (!xdr_string (xdrs, &objp->en_type, ~0))
@@ -135,19 +141,19 @@ xdr_entry_obj (XDR *xdrs, entry_obj *objp)
   return TRUE;
 }
 
-bool_t
+static bool_t
 xdr_group_obj (XDR *xdrs, group_obj *objp)
 {
   if (!xdr_u_long (xdrs, &objp->gr_flags))
     return FALSE;
   if (!xdr_array (xdrs, (char **) &objp->gr_members.gr_members_val,
 		  (u_int *) &objp->gr_members.gr_members_len, ~0,
-		  sizeof (nis_name), (xdrproc_t) xdr_nis_name))
+		  sizeof (nis_name), (xdrproc_t) _xdr_nis_name))
     return FALSE;
   return TRUE;
 }
 
-bool_t
+static bool_t
 xdr_link_obj (XDR *xdrs, link_obj *objp)
 {
   if (!xdr_zotypes (xdrs, &objp->li_rtype))
@@ -156,12 +162,12 @@ xdr_link_obj (XDR *xdrs, link_obj *objp)
 		  (u_int *) &objp->li_attrs.li_attrs_len, ~0,
 		  sizeof (nis_attr), (xdrproc_t) xdr_nis_attr))
     return FALSE;
-  if (!xdr_nis_name (xdrs, &objp->li_name))
+  if (!_xdr_nis_name (xdrs, &objp->li_name))
     return FALSE;
   return TRUE;
 }
 
-bool_t
+static bool_t
 xdr_table_col (XDR *xdrs, table_col *objp)
 {
   if (!xdr_string (xdrs, &objp->tc_name, 64))
@@ -173,7 +179,7 @@ xdr_table_col (XDR *xdrs, table_col *objp)
   return TRUE;
 }
 
-bool_t
+static bool_t
 xdr_table_obj (XDR *xdrs, table_obj *objp)
 {
   if (!xdr_string (xdrs, &objp->ta_type, 64))
@@ -191,7 +197,7 @@ xdr_table_obj (XDR *xdrs, table_obj *objp)
   return TRUE;
 }
 
-bool_t
+static bool_t
 xdr_objdata (XDR *xdrs, objdata *objp)
 {
   if (!xdr_zotypes (xdrs, &objp->zo_type))
@@ -199,7 +205,7 @@ xdr_objdata (XDR *xdrs, objdata *objp)
   switch (objp->zo_type)
     {
     case NIS_DIRECTORY_OBJ:
-      if (!xdr_directory_obj (xdrs, &objp->objdata_u.di_data))
+      if (!_xdr_directory_obj (xdrs, &objp->objdata_u.di_data))
 	return FALSE;
       break;
     case NIS_GROUP_OBJ:
@@ -233,7 +239,7 @@ xdr_objdata (XDR *xdrs, objdata *objp)
   return TRUE;
 }
 
-bool_t
+static bool_t
 xdr_nis_oid (XDR *xdrs, nis_oid *objp)
 {
   if (!xdr_u_long (xdrs, &objp->ctime))
@@ -244,17 +250,17 @@ xdr_nis_oid (XDR *xdrs, nis_oid *objp)
 }
 
 bool_t
-xdr_nis_object (XDR *xdrs, nis_object *objp)
+_xdr_nis_object (XDR *xdrs, nis_object *objp)
 {
   if (!xdr_nis_oid (xdrs, &objp->zo_oid))
     return FALSE;
-  if (!xdr_nis_name (xdrs, &objp->zo_name))
+  if (!_xdr_nis_name (xdrs, &objp->zo_name))
     return FALSE;
-  if (!xdr_nis_name (xdrs, &objp->zo_owner))
+  if (!_xdr_nis_name (xdrs, &objp->zo_owner))
     return FALSE;
-  if (!xdr_nis_name (xdrs, &objp->zo_group))
+  if (!_xdr_nis_name (xdrs, &objp->zo_group))
     return FALSE;
-  if (!xdr_nis_name (xdrs, &objp->zo_domain))
+  if (!_xdr_nis_name (xdrs, &objp->zo_domain))
     return FALSE;
   if (!xdr_u_long (xdrs, &objp->zo_access))
     return FALSE;
@@ -266,7 +272,7 @@ xdr_nis_object (XDR *xdrs, nis_object *objp)
 }
 
 bool_t
-xdr_nis_error (XDR *xdrs, nis_error *objp)
+_xdr_nis_error (XDR *xdrs, nis_error *objp)
 {
   if (!xdr_enum (xdrs, (enum_t *) objp))
     return FALSE;
@@ -274,17 +280,17 @@ xdr_nis_error (XDR *xdrs, nis_error *objp)
 }
 
 bool_t
-xdr_nis_result (XDR *xdrs, nis_result *objp)
+_xdr_nis_result (XDR *xdrs, nis_result *objp)
 {
   register long *buf;
 
   if (xdrs->x_op == XDR_ENCODE)
     {
-      if (!xdr_nis_error (xdrs, &objp->status))
+      if (!_xdr_nis_error (xdrs, &objp->status))
 	return FALSE;
       if (!xdr_array (xdrs, (char **) &objp->objects.objects_val,
 		      (u_int *) &objp->objects.objects_len, ~0,
-		      sizeof (nis_object), (xdrproc_t) xdr_nis_object))
+		      sizeof (nis_object), (xdrproc_t) _xdr_nis_object))
 	return FALSE;
       if (!xdr_netobj (xdrs, &objp->cookie))
 	return FALSE;
@@ -292,22 +298,13 @@ xdr_nis_result (XDR *xdrs, nis_result *objp)
       if (buf == NULL)
 	{
 	  if (!xdr_u_long (xdrs, &objp->zticks))
-	    {
-	      return FALSE;
-	    }
+	    return FALSE;
 	  if (!xdr_u_long (xdrs, &objp->dticks))
-	    {
-	      return FALSE;
-	    }
+	    return FALSE;
 	  if (!xdr_u_long (xdrs, &objp->aticks))
-	    {
-	      return FALSE;
-	    }
+	    return FALSE;
 	  if (!xdr_u_long (xdrs, &objp->cticks))
-	    {
-	      return FALSE;
-	    }
-
+	    return FALSE;
 	}
       else
 	{
@@ -316,45 +313,29 @@ xdr_nis_result (XDR *xdrs, nis_result *objp)
 	  IXDR_PUT_U_LONG (buf, objp->aticks);
 	  IXDR_PUT_U_LONG (buf, objp->cticks);
 	}
-
       return TRUE;
     }
   else if (xdrs->x_op == XDR_DECODE)
     {
-      if (!xdr_nis_error (xdrs, &objp->status))
-	{
-	  return FALSE;
-	}
+      if (!_xdr_nis_error (xdrs, &objp->status))
+	return FALSE;
       if (!xdr_array (xdrs, (char **) &objp->objects.objects_val,
 		      (u_int *) &objp->objects.objects_len, ~0,
-		      sizeof (nis_object), (xdrproc_t) xdr_nis_object))
-	{
-	  return FALSE;
-	}
+		      sizeof (nis_object), (xdrproc_t) _xdr_nis_object))
+	return FALSE;
       if (!xdr_netobj (xdrs, &objp->cookie))
-	{
-	  return FALSE;
-	}
+	return FALSE;
       buf = XDR_INLINE (xdrs, 4 * BYTES_PER_XDR_UNIT);
       if (buf == NULL)
 	{
 	  if (!xdr_u_long (xdrs, &objp->zticks))
-	    {
-	      return FALSE;
-	    }
+	    return FALSE;
 	  if (!xdr_u_long (xdrs, &objp->dticks))
-	    {
-	      return FALSE;
-	    }
+	    return FALSE;
 	  if (!xdr_u_long (xdrs, &objp->aticks))
-	    {
-	      return FALSE;
-	    }
+	    return FALSE;
 	  if (!xdr_u_long (xdrs, &objp->cticks))
-	    {
-	      return FALSE;
-	    }
-
+	    return FALSE;
 	}
       else
 	{
@@ -366,55 +347,41 @@ xdr_nis_result (XDR *xdrs, nis_result *objp)
       return TRUE;
     }
 
-  if (!xdr_nis_error (xdrs, &objp->status))
-    {
-      return FALSE;
-    }
+  if (!_xdr_nis_error (xdrs, &objp->status))
+    return FALSE;
   if (!xdr_array (xdrs, (char **) &objp->objects.objects_val,
 		  (u_int *) &objp->objects.objects_len, ~0,
-		  sizeof (nis_object), (xdrproc_t) xdr_nis_object))
-    {
-      return FALSE;
-    }
+		  sizeof (nis_object), (xdrproc_t) _xdr_nis_object))
+    return FALSE;
   if (!xdr_netobj (xdrs, &objp->cookie))
-    {
-      return FALSE;
-    }
+    return FALSE;
   if (!xdr_u_long (xdrs, &objp->zticks))
-    {
-      return FALSE;
-    }
+    return FALSE;
   if (!xdr_u_long (xdrs, &objp->dticks))
-    {
-      return FALSE;
-    }
+    return FALSE;
   if (!xdr_u_long (xdrs, &objp->aticks))
-    {
-      return FALSE;
-    }
+    return FALSE;
   if (!xdr_u_long (xdrs, &objp->cticks))
-    {
-      return FALSE;
-    }
+    return FALSE;
   return TRUE;
 }
 
 bool_t
-xdr_ns_request (XDR *xdrs, ns_request *objp)
+_xdr_ns_request (XDR *xdrs, ns_request *objp)
 {
-  if (!xdr_nis_name (xdrs, &objp->ns_name))
+  if (!_xdr_nis_name (xdrs, &objp->ns_name))
     return FALSE;
   if (!xdr_array (xdrs, (char **) &objp->ns_object.ns_object_val,
 		  (u_int *) &objp->ns_object.ns_object_len, 1,
-		  sizeof (nis_object), (xdrproc_t) xdr_nis_object))
+		  sizeof (nis_object), (xdrproc_t) _xdr_nis_object))
     return FALSE;
   return TRUE;
 }
 
 bool_t
-xdr_ib_request (XDR *xdrs, ib_request *objp)
+_xdr_ib_request (XDR *xdrs, ib_request *objp)
 {
-  if (!xdr_nis_name (xdrs, &objp->ibr_name))
+  if (!_xdr_nis_name (xdrs, &objp->ibr_name))
     return FALSE;
   if (!xdr_array (xdrs, (char **) &objp->ibr_srch.ibr_srch_val,
 		  (u_int *) &objp->ibr_srch.ibr_srch_len, ~0,
@@ -424,11 +391,11 @@ xdr_ib_request (XDR *xdrs, ib_request *objp)
     return FALSE;
   if (!xdr_array (xdrs, (char **) &objp->ibr_obj.ibr_obj_val,
 		  (u_int *) &objp->ibr_obj.ibr_obj_len, 1,
-		  sizeof (nis_object), (xdrproc_t) xdr_nis_object))
+		  sizeof (nis_object), (xdrproc_t) _xdr_nis_object))
     return FALSE;
   if (!xdr_array (xdrs, (char **) &objp->ibr_cbhost.ibr_cbhost_val,
 		  (u_int *) &objp->ibr_cbhost.ibr_cbhost_len, 1,
-		  sizeof (nis_server), (xdrproc_t) xdr_nis_server))
+		  sizeof (nis_server), (xdrproc_t) _xdr_nis_server))
     return FALSE;
   if (!xdr_u_long (xdrs, &objp->ibr_bufsize))
     return FALSE;
@@ -438,9 +405,9 @@ xdr_ib_request (XDR *xdrs, ib_request *objp)
 }
 
 bool_t
-xdr_ping_args (XDR *xdrs, ping_args *objp)
+_xdr_ping_args (XDR *xdrs, ping_args *objp)
 {
-  if (!xdr_nis_name (xdrs, &objp->dir))
+  if (!_xdr_nis_name (xdrs, &objp->dir))
     return FALSE;
   if (!xdr_u_long (xdrs, &objp->stamp))
     return FALSE;
@@ -448,57 +415,9 @@ xdr_ping_args (XDR *xdrs, ping_args *objp)
 }
 
 bool_t
-xdr_log_entry_t (XDR *xdrs, log_entry_t *objp)
-{
-  if (!xdr_enum (xdrs, (enum_t *) objp))
-    return FALSE;
-  return TRUE;
-}
-
-bool_t
-xdr_log_entry (XDR *xdrs, log_entry *objp)
-{
-  if (!xdr_u_long (xdrs, &objp->le_time))
-    return FALSE;
-  if (!xdr_log_entry_t (xdrs, &objp->le_type))
-    return FALSE;
-  if (!xdr_nis_name (xdrs, &objp->le_princp))
-    return FALSE;
-  if (!xdr_nis_name (xdrs, &objp->le_name))
-    return FALSE;
-  if (!xdr_array (xdrs, (char **) &objp->le_attrs.le_attrs_val,
-		  (u_int *) &objp->le_attrs.le_attrs_len, ~0,
-		  sizeof (nis_attr), (xdrproc_t) xdr_nis_attr))
-    return FALSE;
-  if (!xdr_nis_object (xdrs, &objp->le_object))
-    return FALSE;
-  return TRUE;
-}
-
-bool_t
-xdr_log_result (XDR *xdrs, log_result *objp)
-{
-  if (!xdr_nis_error (xdrs, &objp->lr_status))
-    {
-      return FALSE;
-    }
-  if (!xdr_netobj (xdrs, &objp->lr_cookie))
-    {
-      return FALSE;
-    }
-  if (!xdr_array (xdrs, (char **) &objp->lr_entries.lr_entries_val,
-		  (u_int *) &objp->lr_entries.lr_entries_len, ~0,
-		  sizeof (log_entry), (xdrproc_t) xdr_log_entry))
-    {
-      return FALSE;
-    }
-  return TRUE;
-}
-
-bool_t
-xdr_cp_result (XDR *xdrs, cp_result *objp)
+_xdr_cp_result (XDR *xdrs, cp_result *objp)
 {
-  if (!xdr_nis_error (xdrs, &objp->cp_status))
+  if (!_xdr_nis_error (xdrs, &objp->cp_status))
     return FALSE;
   if (!xdr_u_long (xdrs, &objp->cp_zticks))
     return FALSE;
@@ -508,7 +427,7 @@ xdr_cp_result (XDR *xdrs, cp_result *objp)
 }
 
 bool_t
-xdr_nis_tag (XDR *xdrs, nis_tag *objp)
+_xdr_nis_tag (XDR *xdrs, nis_tag *objp)
 {
   if (!xdr_u_long (xdrs, &objp->tag_type))
     {
@@ -522,51 +441,58 @@ xdr_nis_tag (XDR *xdrs, nis_tag *objp)
 }
 
 bool_t
-xdr_nis_taglist (XDR *xdrs, nis_taglist *objp)
+_xdr_nis_taglist (XDR *xdrs, nis_taglist *objp)
 {
   if (!xdr_array (xdrs, (char **) &objp->tags.tags_val,
 		  (u_int *) &objp->tags.tags_len, ~0, sizeof (nis_tag),
-		  (xdrproc_t) xdr_nis_tag))
+		  (xdrproc_t) _xdr_nis_tag))
     return FALSE;
   return TRUE;
 }
 
 bool_t
-xdr_dump_args (XDR *xdrs, dump_args *objp)
+_xdr_fd_args (XDR *xdrs, fd_args *objp)
 {
-  if (!xdr_nis_name (xdrs, &objp->da_dir))
-    return FALSE;
-  if (!xdr_u_long (xdrs, &objp->da_time))
+  if (!_xdr_nis_name (xdrs, &objp->dir_name))
     return FALSE;
-  if (!xdr_array (xdrs, (char **) &objp->da_cbhost.da_cbhost_val,
-		  (u_int *) &objp->da_cbhost.da_cbhost_len, 1,
-		  sizeof (nis_server), (xdrproc_t) xdr_nis_server))
+  if (!_xdr_nis_name (xdrs, &objp->requester))
     return FALSE;
   return TRUE;
 }
 
 bool_t
-xdr_fd_args (XDR *xdrs, fd_args *objp)
+_xdr_fd_result (XDR *xdrs, fd_result *objp)
 {
-  if (!xdr_nis_name (xdrs, &objp->dir_name))
+  if (!_xdr_nis_error (xdrs, &objp->status))
+    return FALSE;
+  if (!_xdr_nis_name (xdrs, &objp->source))
+    return FALSE;
+  if (!xdr_bytes (xdrs, (char **) &objp->dir_data.dir_data_val,
+		  (u_int *) &objp->dir_data.dir_data_len, ~0))
     return FALSE;
-  if (!xdr_nis_name (xdrs, &objp->requester))
+  if (!xdr_bytes (xdrs, (char **) &objp->signature.signature_val,
+		  (u_int *) &objp->signature.signature_len, ~0))
     return FALSE;
   return TRUE;
 }
 
+/* The following functions have prototypes in nis_callback.h.  So
+   we make them public */
 bool_t
-xdr_fd_result (XDR *xdrs, fd_result *objp)
+xdr_obj_p (XDR *xdrs, obj_p *objp)
 {
-  if (!xdr_nis_error (xdrs, &objp->status))
+  if (!xdr_pointer (xdrs, (char **)objp, sizeof (nis_object),
+		    (xdrproc_t)_xdr_nis_object))
     return FALSE;
-  if (!xdr_nis_name (xdrs, &objp->source))
-    return FALSE;
-  if (!xdr_bytes (xdrs, (char **) &objp->dir_data.dir_data_val,
-		  (u_int *) &objp->dir_data.dir_data_len, ~0))
-    return FALSE;
-  if (!xdr_bytes (xdrs, (char **) &objp->signature.signature_val,
-		  (u_int *) &objp->signature.signature_len, ~0))
+  return TRUE;
+}
+
+bool_t
+xdr_cback_data (XDR *xdrs, cback_data *objp)
+{
+  if (!xdr_array (xdrs, (char **)&objp->entries.entries_val,
+		  (u_int *) &objp->entries.entries_len, ~0,
+		  sizeof (obj_p), (xdrproc_t) xdr_obj_p))
     return FALSE;
   return TRUE;
 }
diff --git a/nis/nis_xdr.h b/nis/nis_xdr.h
new file mode 100644
index 0000000000..b2c0250b61
--- /dev/null
+++ b/nis/nis_xdr.h
@@ -0,0 +1,45 @@
+/* Copyright (c) 1998 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1998.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef __NIS_XDR_H
+#define __NIS_XDR_H 1
+
+#include <features.h>
+
+__BEGIN_DECLS
+
+extern  bool_t _xdr_nis_attr __P ((XDR *, nis_attr*));
+extern  bool_t _xdr_nis_name __P ((XDR *, nis_name*));
+extern  bool_t _xdr_nis_server __P ((XDR *, nis_server*));
+extern  bool_t _xdr_directory_obj __P ((XDR *, directory_obj*));
+extern  bool_t _xdr_nis_object __P ((XDR *, nis_object*));
+extern  bool_t _xdr_nis_error __P ((XDR *, nis_error*));
+extern  bool_t _xdr_nis_result __P ((XDR *, nis_result*));
+extern  bool_t _xdr_ns_request __P ((XDR *, ns_request*));
+extern  bool_t _xdr_ib_request __P ((XDR *, ib_request*));
+extern  bool_t _xdr_ping_args __P ((XDR *, ping_args*));
+extern  bool_t _xdr_cp_result __P ((XDR *, cp_result*));
+extern  bool_t _xdr_nis_tag __P ((XDR *, nis_tag*));
+extern  bool_t _xdr_nis_taglist __P ((XDR *, nis_taglist*));
+extern  bool_t _xdr_fd_args __P ((XDR *, fd_args*));
+extern  bool_t _xdr_fd_result __P ((XDR *, fd_result*));
+
+__END_DECLS
+
+#endif
diff --git a/nis/rpcsvc/nis.h b/nis/rpcsvc/nis.h
index c0d25325c1..3148a8d8b2 100644
--- a/nis/rpcsvc/nis.h
+++ b/nis/rpcsvc/nis.h
@@ -81,10 +81,8 @@ struct nis_attr {
 	} zattr_val;
 };
 typedef struct nis_attr nis_attr;
-extern  bool_t xdr_nis_attr __P ((XDR *, nis_attr*));
 
 typedef char *nis_name;
-extern  bool_t xdr_nis_name __P ((XDR *, nis_name*));
 
 enum zotypes {
 	BOGUS_OBJ = 0,
@@ -105,7 +103,6 @@ enum zotypes {
 	NIS_PRIVATE_OBJ = 7
 };
 typedef enum zotypes zotypes;
-extern  bool_t xdr_zotypes __P ((XDR *, zotypes*));
 
 enum nstype {
 	UNKNOWN = 0,
@@ -119,14 +116,12 @@ enum nstype {
 	CDS = 8,
 };
 typedef enum nstype nstype;
-extern  bool_t xdr_nstype __P ((XDR *, nstype*));
 
 struct oar_mask {
 	u_long oa_rights;
 	zotypes oa_otype;
 };
 typedef struct oar_mask oar_mask;
-extern  bool_t xdr_oar_mask __P ((XDR *, oar_mask*));
 
 struct endpoint {
 	char *uaddr;
@@ -134,7 +129,6 @@ struct endpoint {
 	char *proto;
 };
 typedef struct endpoint endpoint;
-extern  bool_t xdr_endpoint __P ((XDR *, endpoint*));
 
 struct nis_server {
 	nis_name name;
@@ -146,7 +140,6 @@ struct nis_server {
 	netobj pkey;
 };
 typedef struct nis_server nis_server;
-extern  bool_t xdr_nis_server __P ((XDR *, nis_server*));
 
 struct directory_obj {
 	nis_name do_name;
@@ -162,7 +155,6 @@ struct directory_obj {
 	} do_armask;
 };
 typedef struct directory_obj directory_obj;
-extern  bool_t xdr_directory_obj __P ((XDR *, directory_obj*));
 
 #define EN_BINARY 1
 #define EN_CRYPT 2
@@ -178,7 +170,6 @@ struct entry_col {
 	} ec_value;
 };
 typedef struct entry_col entry_col;
-extern  bool_t xdr_entry_col __P ((XDR *, entry_col*));
 
 struct entry_obj {
 	char *en_type;
@@ -188,7 +179,6 @@ struct entry_obj {
 	} en_cols;
 };
 typedef struct entry_obj entry_obj;
-extern  bool_t xdr_entry_obj __P ((XDR *, entry_obj*));
 
 struct group_obj {
 	u_long gr_flags;
@@ -198,7 +188,6 @@ struct group_obj {
 	} gr_members;
 };
 typedef struct group_obj group_obj;
-extern  bool_t xdr_group_obj __P ((XDR *, group_obj*));
 
 struct link_obj {
 	zotypes li_rtype;
@@ -209,7 +198,6 @@ struct link_obj {
 	nis_name li_name;
 };
 typedef struct link_obj link_obj;
-extern  bool_t xdr_link_obj __P ((XDR *, link_obj*));
 
 #define TA_BINARY 1
 #define TA_CRYPT 2
@@ -225,7 +213,6 @@ struct table_col {
 	u_long tc_rights;
 };
 typedef struct table_col table_col;
-extern  bool_t xdr_table_col __P ((XDR *, table_col*));
 
 struct table_obj {
 	char *ta_type;
@@ -238,7 +225,6 @@ struct table_obj {
 	char *ta_path;
 };
 typedef struct table_obj table_obj;
-extern  bool_t xdr_table_obj __P ((XDR *, table_obj*));
 
 struct objdata {
 	zotypes zo_type;
@@ -255,14 +241,12 @@ struct objdata {
 	} objdata_u;
 };
 typedef struct objdata objdata;
-extern  bool_t xdr_objdata __P ((XDR *, objdata*));
 
 struct nis_oid {
 	u_long ctime;
 	u_long mtime;
 };
 typedef struct nis_oid nis_oid;
-extern  bool_t xdr_nis_oid __P ((XDR *, nis_oid*));
 
 struct nis_object {
 	nis_oid zo_oid;
@@ -275,7 +259,6 @@ struct nis_object {
 	objdata zo_data;
 };
 typedef struct nis_object nis_object;
-extern  bool_t xdr_nis_object __P ((XDR *, nis_object*));
 
 #endif /* if __nis_object_h */
 
@@ -330,7 +313,6 @@ enum nis_error {
 	NIS_DUMPLATER = 47,
 };
 typedef enum nis_error nis_error;
-extern  bool_t xdr_nis_error __P ((XDR *, nis_error*));
 
 struct nis_result {
 	nis_error status;
@@ -345,7 +327,6 @@ struct nis_result {
 	u_long cticks;
 };
 typedef struct nis_result nis_result;
-extern  bool_t xdr_nis_result __P ((XDR *, nis_result*));
 
 struct ns_request {
 	nis_name ns_name;
@@ -355,7 +336,6 @@ struct ns_request {
 	} ns_object;
 };
 typedef struct ns_request ns_request;
-extern  bool_t xdr_ns_request __P ((XDR *, ns_request*));
 
 struct ib_request {
 	nis_name ibr_name;
@@ -376,14 +356,12 @@ struct ib_request {
 	netobj ibr_cookie;
 };
 typedef struct ib_request ib_request;
-extern  bool_t xdr_ib_request __P ((XDR *, ib_request*));
 
 struct ping_args {
 	nis_name dir;
 	u_long stamp;
 };
 typedef struct ping_args ping_args;
-extern  bool_t xdr_ping_args __P ((XDR *, ping_args*));
 
 enum log_entry_t {
 	LOG_NOP = 0,
@@ -397,7 +375,6 @@ enum log_entry_t {
 	UPD_STAMP = 8,
 };
 typedef enum log_entry_t log_entry_t;
-extern  bool_t xdr_log_entry_t __P ((XDR *, log_entry_t*));
 
 struct log_entry {
 	u_long le_time;
@@ -411,7 +388,6 @@ struct log_entry {
 	nis_object le_object;
 };
 typedef struct log_entry log_entry;
-extern  bool_t xdr_log_entry __P ((XDR *, log_entry*));
 
 struct log_result {
 	nis_error lr_status;
@@ -422,7 +398,6 @@ struct log_result {
 	} lr_entries;
 };
 typedef struct log_result log_result;
-extern  bool_t xdr_log_result __P ((XDR *, log_result*));
 
 struct cp_result {
 	nis_error cp_status;
@@ -430,14 +405,12 @@ struct cp_result {
 	u_long cp_dticks;
 };
 typedef struct cp_result cp_result;
-extern  bool_t xdr_cp_result __P ((XDR *, cp_result*));
 
 struct nis_tag {
 	u_long tag_type;
 	char *tag_val;
 };
 typedef struct nis_tag nis_tag;
-extern  bool_t xdr_nis_tag __P ((XDR *, nis_tag*));
 
 struct nis_taglist {
 	struct {
@@ -446,7 +419,6 @@ struct nis_taglist {
 	} tags;
 };
 typedef struct nis_taglist nis_taglist;
-extern  bool_t xdr_nis_taglist __P ((XDR *, nis_taglist*));
 
 struct dump_args {
 	nis_name da_dir;
@@ -457,14 +429,12 @@ struct dump_args {
 	} da_cbhost;
 };
 typedef struct dump_args dump_args;
-extern  bool_t xdr_dump_args __P ((XDR *, dump_args*));
 
 struct fd_args {
 	nis_name dir_name;
 	nis_name requester;
 };
 typedef struct fd_args fd_args;
-extern  bool_t xdr_fd_args __P ((XDR *, fd_args*));
 
 struct fd_result {
 	nis_error status;
@@ -479,7 +449,6 @@ struct fd_result {
 	} signature;
 };
 typedef struct fd_result fd_result;
-extern  bool_t xdr_fd_result __P ((XDR *, fd_result*));
 
 /* Generic client creating flags */
 #define ZMH_VC		1
diff --git a/nis/rpcsvc/nis_callback.h b/nis/rpcsvc/nis_callback.h
new file mode 100644
index 0000000000..526a633831
--- /dev/null
+++ b/nis/rpcsvc/nis_callback.h
@@ -0,0 +1,71 @@
+/*
+ * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
+ * unrestricted use provided that this legend is included on all tape
+ * media and as a part of the software program in whole or part.  Users
+ * may copy or modify Sun RPC without charge, but are not authorized
+ * to license or distribute it to anyone else except as part of a product or
+ * program developed by the user or with the express written consent of
+ * Sun Microsystems, Inc.
+ *
+ * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
+ * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
+ *
+ * Sun RPC is provided with no support and without any obligation on the
+ * part of Sun Microsystems, Inc. to assist in its use, correction,
+ * modification or enhancement.
+ *
+ * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
+ * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
+ * OR ANY PART THEREOF.
+ *
+ * In no event will Sun Microsystems, Inc. be liable for any lost revenue
+ * or profits or other special, indirect and consequential damages, even if
+ * Sun has been advised of the possibility of such damages.
+ *
+ * Sun Microsystems, Inc.
+ * 2550 Garcia Avenue
+ * Mountain View, California  94043
+ */
+#ifndef _RPCSVC_NIS_CALLBACK_H
+#define _RPCSVC_NIS_CALLBACK_H 1
+
+#include <rpc/rpc.h>
+#include <rpcsvc/nis.h>
+
+__BEGIN_DECLS
+
+typedef nis_object *obj_p;
+
+struct cback_data {
+	struct {
+		u_int entries_len;
+		obj_p *entries_val;
+	} entries;
+};
+typedef struct cback_data cback_data;
+
+#define CB_PROG ((u_long)100302)
+#define CB_VERS ((u_long)1)
+
+#define CBPROC_RECEIVE ((u_long)1)
+extern  bool_t * cbproc_receive_1 __P ((cback_data *, CLIENT *));
+extern  bool_t * cbproc_receive_1_svc __P ((cback_data *, struct svc_req *));
+
+#define CBPROC_FINISH ((u_long)2)
+extern  void * cbproc_finish_1 __P ((void *, CLIENT *));
+extern  void * cbproc_finish_1_svc __P ((void *, struct svc_req *));
+
+#define CBPROC_ERROR ((u_long)3)
+extern  void * cbproc_error_1 __P ((nis_error *, CLIENT *));
+extern  void * cbproc_error_1_svc __P ((nis_error *, struct svc_req *));
+extern int cb_prog_1_freeresult __P ((SVCXPRT *, xdrproc_t, caddr_t));
+
+/* the xdr functions */
+
+extern  bool_t xdr_obj_p __P ((XDR *, obj_p*));
+extern  bool_t xdr_cback_data __P ((XDR *, cback_data*));
+
+__END_DECLS
+
+#endif /* !_RPCVSC_NIS_CALLBACK_H */