51369649b0
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216 lines
5.1 KiB
C
216 lines
5.1 KiB
C
/* $NetBSD: rpc_msg.h,v 1.11 2000/06/02 22:57:56 fvdl Exp $ */
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/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 2009, Sun Microsystems, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* - Neither the name of Sun Microsystems, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* from: @(#)rpc_msg.h 1.7 86/07/16 SMI
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* from: @(#)rpc_msg.h 2.1 88/07/29 4.0 RPCSRC
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* $FreeBSD$
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*/
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/*
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* rpc_msg.h
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* rpc message definition
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*
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* Copyright (C) 1984, Sun Microsystems, Inc.
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*/
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#ifndef _RPC_RPC_MSG_H
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#define _RPC_RPC_MSG_H
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#define RPC_MSG_VERSION ((uint32_t) 2)
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#define RPC_SERVICE_PORT ((u_short) 2048)
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/*
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* Bottom up definition of an rpc message.
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* NOTE: call and reply use the same overall stuct but
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* different parts of unions within it.
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*/
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enum msg_type {
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CALL=0,
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REPLY=1
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};
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enum reply_stat {
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MSG_ACCEPTED=0,
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MSG_DENIED=1
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};
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enum accept_stat {
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SUCCESS=0,
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PROG_UNAVAIL=1,
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PROG_MISMATCH=2,
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PROC_UNAVAIL=3,
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GARBAGE_ARGS=4,
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SYSTEM_ERR=5
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};
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enum reject_stat {
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RPC_MISMATCH=0,
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AUTH_ERROR=1
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};
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/*
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* Reply part of an rpc exchange
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*/
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/*
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* Reply to an rpc request that was accepted by the server.
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* Note: there could be an error even though the request was
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* accepted.
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*/
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struct accepted_reply {
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struct opaque_auth ar_verf;
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enum accept_stat ar_stat;
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union {
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struct {
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rpcvers_t low;
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rpcvers_t high;
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} AR_versions;
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struct {
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caddr_t where;
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xdrproc_t proc;
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} AR_results;
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/* and many other null cases */
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} ru;
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#define ar_results ru.AR_results
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#define ar_vers ru.AR_versions
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};
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/*
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* Reply to an rpc request that was rejected by the server.
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*/
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struct rejected_reply {
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enum reject_stat rj_stat;
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union {
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struct {
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rpcvers_t low;
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rpcvers_t high;
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} RJ_versions;
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enum auth_stat RJ_why; /* why authentication did not work */
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} ru;
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#define rj_vers ru.RJ_versions
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#define rj_why ru.RJ_why
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};
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/*
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* Body of a reply to an rpc request.
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*/
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struct reply_body {
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enum reply_stat rp_stat;
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union {
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struct accepted_reply RP_ar;
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struct rejected_reply RP_dr;
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} ru;
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#define rp_acpt ru.RP_ar
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#define rp_rjct ru.RP_dr
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};
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/*
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* Body of an rpc request call.
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*/
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struct call_body {
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rpcvers_t cb_rpcvers; /* must be equal to two */
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rpcprog_t cb_prog;
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rpcvers_t cb_vers;
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rpcproc_t cb_proc;
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struct opaque_auth cb_cred;
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struct opaque_auth cb_verf; /* protocol specific - provided by client */
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};
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/*
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* The rpc message
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*/
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struct rpc_msg {
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uint32_t rm_xid;
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enum msg_type rm_direction;
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union {
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struct call_body RM_cmb;
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struct reply_body RM_rmb;
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} ru;
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#define rm_call ru.RM_cmb
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#define rm_reply ru.RM_rmb
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};
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#define acpted_rply ru.RM_rmb.ru.RP_ar
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#define rjcted_rply ru.RM_rmb.ru.RP_dr
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__BEGIN_DECLS
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/*
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* XDR routine to handle a rpc message.
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* xdr_callmsg(xdrs, cmsg)
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* XDR *xdrs;
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* struct rpc_msg *cmsg;
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*/
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extern bool_t xdr_callmsg(XDR *, struct rpc_msg *);
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/*
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* XDR routine to pre-serialize the static part of a rpc message.
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* xdr_callhdr(xdrs, cmsg)
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* XDR *xdrs;
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* struct rpc_msg *cmsg;
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*/
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extern bool_t xdr_callhdr(XDR *, struct rpc_msg *);
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/*
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* XDR routine to handle a rpc reply.
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* xdr_replymsg(xdrs, rmsg)
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* XDR *xdrs;
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* struct rpc_msg *rmsg;
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*/
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extern bool_t xdr_replymsg(XDR *, struct rpc_msg *);
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/*
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* XDR routine to handle an accepted rpc reply.
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* xdr_accepted_reply(xdrs, rej)
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* XDR *xdrs;
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* struct accepted_reply *rej;
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*/
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extern bool_t xdr_accepted_reply(XDR *, struct accepted_reply *);
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/*
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* XDR routine to handle a rejected rpc reply.
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* xdr_rejected_reply(xdrs, rej)
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* XDR *xdrs;
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* struct rejected_reply *rej;
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*/
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extern bool_t xdr_rejected_reply(XDR *, struct rejected_reply *);
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/*
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* Fills in the error part of a reply message.
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* _seterr_reply(msg, error)
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* struct rpc_msg *msg;
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* struct rpc_err *error;
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*/
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extern enum clnt_stat _seterr_reply(struct rpc_msg *, struct rpc_err *);
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__END_DECLS
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#endif /* !_RPC_RPC_MSG_H */
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