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/*
|
|
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6c4009 |
* xdr.h, External Data Representation Serialization Routines.
|
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6c4009 |
*
|
|
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6c4009 |
* Copyright (c) 2010, 2012, Oracle America, Inc.
|
|
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6c4009 |
*
|
|
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6c4009 |
* Redistribution and use in source and binary forms, with or without
|
|
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6c4009 |
* modification, are permitted provided that the following conditions are
|
|
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6c4009 |
* met:
|
|
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6c4009 |
*
|
|
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6c4009 |
* * Redistributions of source code must retain the above copyright
|
|
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6c4009 |
* notice, this list of conditions and the following disclaimer.
|
|
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6c4009 |
* * Redistributions in binary form must reproduce the above
|
|
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6c4009 |
* copyright notice, this list of conditions and the following
|
|
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6c4009 |
* disclaimer in the documentation and/or other materials
|
|
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6c4009 |
* provided with the distribution.
|
|
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6c4009 |
* * Neither the name of the "Oracle America, Inc." nor the names of its
|
|
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6c4009 |
* contributors may be used to endorse or promote products derived
|
|
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6c4009 |
* from this software without specific prior written permission.
|
|
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6c4009 |
*
|
|
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6c4009 |
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
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6c4009 |
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
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6c4009 |
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
|
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6c4009 |
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
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6c4009 |
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
|
|
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6c4009 |
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
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6c4009 |
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
|
|
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6c4009 |
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
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6c4009 |
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
|
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6c4009 |
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
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6c4009 |
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
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6c4009 |
*/
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|
|
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#ifndef _RPC_XDR_H
|
|
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6c4009 |
#define _RPC_XDR_H 1
|
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6c4009 |
|
|
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#include <features.h>
|
|
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#include <sys/types.h>
|
|
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#include <rpc/types.h>
|
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|
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6c4009 |
/* We need FILE. */
|
|
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6c4009 |
#include <stdio.h>
|
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6c4009 |
|
|
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__BEGIN_DECLS
|
|
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6c4009 |
|
|
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6c4009 |
/*
|
|
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* XDR provides a conventional way for converting between C data
|
|
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6c4009 |
* types and an external bit-string representation. Library supplied
|
|
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6c4009 |
* routines provide for the conversion on built-in C data types. These
|
|
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6c4009 |
* routines and utility routines defined here are used to help implement
|
|
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* a type encode/decode routine for each user-defined type.
|
|
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6c4009 |
*
|
|
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6c4009 |
* Each data type provides a single procedure which takes two arguments:
|
|
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6c4009 |
*
|
|
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6c4009 |
* bool_t
|
|
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* xdrproc(xdrs, argresp)
|
|
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* XDR *xdrs;
|
|
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6c4009 |
* <type> *argresp;
|
|
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6c4009 |
*
|
|
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6c4009 |
* xdrs is an instance of a XDR handle, to which or from which the data
|
|
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6c4009 |
* type is to be converted. argresp is a pointer to the structure to be
|
|
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6c4009 |
* converted. The XDR handle contains an operation field which indicates
|
|
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6c4009 |
* which of the operations (ENCODE, DECODE * or FREE) is to be performed.
|
|
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6c4009 |
*
|
|
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6c4009 |
* XDR_DECODE may allocate space if the pointer argresp is null. This
|
|
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* data can be freed with the XDR_FREE operation.
|
|
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6c4009 |
*
|
|
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6c4009 |
* We write only one procedure per data type to make it easy
|
|
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6c4009 |
* to keep the encode and decode procedures for a data type consistent.
|
|
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6c4009 |
* In many cases the same code performs all operations on a user defined type,
|
|
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6c4009 |
* because all the hard work is done in the component type routines.
|
|
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6c4009 |
* decode as a series of calls on the nested data types.
|
|
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6c4009 |
*/
|
|
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6c4009 |
|
|
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6c4009 |
/*
|
|
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6c4009 |
* Xdr operations. XDR_ENCODE causes the type to be encoded into the
|
|
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6c4009 |
* stream. XDR_DECODE causes the type to be extracted from the stream.
|
|
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6c4009 |
* XDR_FREE can be used to release the space allocated by an XDR_DECODE
|
|
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6c4009 |
* request.
|
|
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6c4009 |
*/
|
|
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6c4009 |
enum xdr_op {
|
|
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6c4009 |
XDR_ENCODE = 0,
|
|
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6c4009 |
XDR_DECODE = 1,
|
|
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6c4009 |
XDR_FREE = 2
|
|
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6c4009 |
};
|
|
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6c4009 |
|
|
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6c4009 |
/*
|
|
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6c4009 |
* This is the number of bytes per unit of external data.
|
|
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6c4009 |
*/
|
|
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6c4009 |
#define BYTES_PER_XDR_UNIT (4)
|
|
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6c4009 |
/*
|
|
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6c4009 |
* This only works if the above is a power of 2. But it's defined to be
|
|
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6c4009 |
* 4 by the appropriate RFCs. So it will work. And it's normally quicker
|
|
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6c4009 |
* than the old routine.
|
|
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6c4009 |
*/
|
|
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6c4009 |
#if 1
|
|
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6c4009 |
#define RNDUP(x) (((x) + BYTES_PER_XDR_UNIT - 1) & ~(BYTES_PER_XDR_UNIT - 1))
|
|
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6c4009 |
#else /* this is the old routine */
|
|
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6c4009 |
#define RNDUP(x) ((((x) + BYTES_PER_XDR_UNIT - 1) / BYTES_PER_XDR_UNIT) \
|
|
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6c4009 |
* BYTES_PER_XDR_UNIT)
|
|
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6c4009 |
#endif
|
|
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6c4009 |
|
|
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6c4009 |
/*
|
|
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6c4009 |
* The XDR handle.
|
|
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6c4009 |
* Contains operation which is being applied to the stream,
|
|
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6c4009 |
* an operations vector for the particular implementation (e.g. see xdr_mem.c),
|
|
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6c4009 |
* and two private fields for the use of the particular implementation.
|
|
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6c4009 |
*/
|
|
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6c4009 |
typedef struct XDR XDR;
|
|
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6c4009 |
struct XDR
|
|
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6c4009 |
{
|
|
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6c4009 |
enum xdr_op x_op; /* operation; fast additional param */
|
|
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6c4009 |
struct xdr_ops
|
|
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6c4009 |
{
|
|
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6c4009 |
bool_t (*x_getlong) (XDR *__xdrs, long *__lp);
|
|
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6c4009 |
/* get a long from underlying stream */
|
|
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6c4009 |
bool_t (*x_putlong) (XDR *__xdrs, const long *__lp);
|
|
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6c4009 |
/* put a long to " */
|
|
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6c4009 |
bool_t (*x_getbytes) (XDR *__xdrs, caddr_t __addr, u_int __len);
|
|
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6c4009 |
/* get some bytes from " */
|
|
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6c4009 |
bool_t (*x_putbytes) (XDR *__xdrs, const char *__addr, u_int __len);
|
|
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6c4009 |
/* put some bytes to " */
|
|
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6c4009 |
u_int (*x_getpostn) (const XDR *__xdrs);
|
|
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6c4009 |
/* returns bytes off from beginning */
|
|
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6c4009 |
bool_t (*x_setpostn) (XDR *__xdrs, u_int __pos);
|
|
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6c4009 |
/* lets you reposition the stream */
|
|
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6c4009 |
int32_t *(*x_inline) (XDR *__xdrs, u_int __len);
|
|
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6c4009 |
/* buf quick ptr to buffered data */
|
|
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6c4009 |
void (*x_destroy) (XDR *__xdrs);
|
|
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6c4009 |
/* free privates of this xdr_stream */
|
|
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6c4009 |
bool_t (*x_getint32) (XDR *__xdrs, int32_t *__ip);
|
|
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6c4009 |
/* get a int from underlying stream */
|
|
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6c4009 |
bool_t (*x_putint32) (XDR *__xdrs, const int32_t *__ip);
|
|
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6c4009 |
/* put a int to " */
|
|
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6c4009 |
}
|
|
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6c4009 |
*x_ops;
|
|
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6c4009 |
caddr_t x_public; /* users' data */
|
|
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6c4009 |
caddr_t x_private; /* pointer to private data */
|
|
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6c4009 |
caddr_t x_base; /* private used for position info */
|
|
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6c4009 |
u_int x_handy; /* extra private word */
|
|
Packit |
6c4009 |
};
|
|
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6c4009 |
|
|
Packit |
6c4009 |
/*
|
|
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6c4009 |
* A xdrproc_t exists for each data type which is to be encoded or decoded.
|
|
Packit |
6c4009 |
*
|
|
Packit |
6c4009 |
* The second argument to the xdrproc_t is a pointer to an opaque pointer.
|
|
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6c4009 |
* The opaque pointer generally points to a structure of the data type
|
|
Packit |
6c4009 |
* to be decoded. If this pointer is 0, then the type routines should
|
|
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6c4009 |
* allocate dynamic storage of the appropriate size and return it.
|
|
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6c4009 |
* bool_t (*xdrproc_t)(XDR *, caddr_t *);
|
|
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6c4009 |
*/
|
|
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6c4009 |
typedef bool_t (*xdrproc_t) (XDR *, void *,...);
|
|
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6c4009 |
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
/*
|
|
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6c4009 |
* Operations defined on a XDR handle
|
|
Packit |
6c4009 |
*
|
|
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6c4009 |
* XDR *xdrs;
|
|
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6c4009 |
* int32_t *int32p;
|
|
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6c4009 |
* long *longp;
|
|
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6c4009 |
* caddr_t addr;
|
|
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6c4009 |
* u_int len;
|
|
Packit |
6c4009 |
* u_int pos;
|
|
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6c4009 |
*/
|
|
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6c4009 |
#define XDR_GETINT32(xdrs, int32p) \
|
|
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6c4009 |
(*(xdrs)->x_ops->x_getint32)(xdrs, int32p)
|
|
Packit |
6c4009 |
#define xdr_getint32(xdrs, int32p) \
|
|
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6c4009 |
(*(xdrs)->x_ops->x_getint32)(xdrs, int32p)
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
#define XDR_PUTINT32(xdrs, int32p) \
|
|
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6c4009 |
(*(xdrs)->x_ops->x_putint32)(xdrs, int32p)
|
|
Packit |
6c4009 |
#define xdr_putint32(xdrs, int32p) \
|
|
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6c4009 |
(*(xdrs)->x_ops->x_putint32)(xdrs, int32p)
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
#define XDR_GETLONG(xdrs, longp) \
|
|
Packit |
6c4009 |
(*(xdrs)->x_ops->x_getlong)(xdrs, longp)
|
|
Packit |
6c4009 |
#define xdr_getlong(xdrs, longp) \
|
|
Packit |
6c4009 |
(*(xdrs)->x_ops->x_getlong)(xdrs, longp)
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
#define XDR_PUTLONG(xdrs, longp) \
|
|
Packit |
6c4009 |
(*(xdrs)->x_ops->x_putlong)(xdrs, longp)
|
|
Packit |
6c4009 |
#define xdr_putlong(xdrs, longp) \
|
|
Packit |
6c4009 |
(*(xdrs)->x_ops->x_putlong)(xdrs, longp)
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
#define XDR_GETBYTES(xdrs, addr, len) \
|
|
Packit |
6c4009 |
(*(xdrs)->x_ops->x_getbytes)(xdrs, addr, len)
|
|
Packit |
6c4009 |
#define xdr_getbytes(xdrs, addr, len) \
|
|
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6c4009 |
(*(xdrs)->x_ops->x_getbytes)(xdrs, addr, len)
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
#define XDR_PUTBYTES(xdrs, addr, len) \
|
|
Packit |
6c4009 |
(*(xdrs)->x_ops->x_putbytes)(xdrs, addr, len)
|
|
Packit |
6c4009 |
#define xdr_putbytes(xdrs, addr, len) \
|
|
Packit |
6c4009 |
(*(xdrs)->x_ops->x_putbytes)(xdrs, addr, len)
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
#define XDR_GETPOS(xdrs) \
|
|
Packit |
6c4009 |
(*(xdrs)->x_ops->x_getpostn)(xdrs)
|
|
Packit |
6c4009 |
#define xdr_getpos(xdrs) \
|
|
Packit |
6c4009 |
(*(xdrs)->x_ops->x_getpostn)(xdrs)
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
#define XDR_SETPOS(xdrs, pos) \
|
|
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6c4009 |
(*(xdrs)->x_ops->x_setpostn)(xdrs, pos)
|
|
Packit |
6c4009 |
#define xdr_setpos(xdrs, pos) \
|
|
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6c4009 |
(*(xdrs)->x_ops->x_setpostn)(xdrs, pos)
|
|
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6c4009 |
|
|
Packit |
6c4009 |
#define XDR_INLINE(xdrs, len) \
|
|
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6c4009 |
(*(xdrs)->x_ops->x_inline)(xdrs, len)
|
|
Packit |
6c4009 |
#define xdr_inline(xdrs, len) \
|
|
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6c4009 |
(*(xdrs)->x_ops->x_inline)(xdrs, len)
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
#define XDR_DESTROY(xdrs) \
|
|
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6c4009 |
do { \
|
|
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6c4009 |
if ((xdrs)->x_ops->x_destroy) \
|
|
Packit |
6c4009 |
(*(xdrs)->x_ops->x_destroy)(xdrs); \
|
|
Packit |
6c4009 |
} while (0)
|
|
Packit |
6c4009 |
#define xdr_destroy(xdrs) \
|
|
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6c4009 |
do { \
|
|
Packit |
6c4009 |
if ((xdrs)->x_ops->x_destroy) \
|
|
Packit |
6c4009 |
(*(xdrs)->x_ops->x_destroy)(xdrs); \
|
|
Packit |
6c4009 |
} while (0)
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
/*
|
|
Packit |
6c4009 |
* Support struct for discriminated unions.
|
|
Packit |
6c4009 |
* You create an array of xdrdiscrim structures, terminated with
|
|
Packit |
6c4009 |
* an entry with a null procedure pointer. The xdr_union routine gets
|
|
Packit |
6c4009 |
* the discriminant value and then searches the array of structures
|
|
Packit |
6c4009 |
* for a matching value. If a match is found the associated xdr routine
|
|
Packit |
6c4009 |
* is called to handle that part of the union. If there is
|
|
Packit |
6c4009 |
* no match, then a default routine may be called.
|
|
Packit |
6c4009 |
* If there is no match and no default routine it is an error.
|
|
Packit |
6c4009 |
*/
|
|
Packit |
6c4009 |
#define NULL_xdrproc_t ((xdrproc_t)0)
|
|
Packit |
6c4009 |
struct xdr_discrim
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
int value;
|
|
Packit |
6c4009 |
xdrproc_t proc;
|
|
Packit |
6c4009 |
};
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
/*
|
|
Packit |
6c4009 |
* Inline routines for fast encode/decode of primitive data types.
|
|
Packit |
6c4009 |
* Caveat emptor: these use single memory cycles to get the
|
|
Packit |
6c4009 |
* data from the underlying buffer, and will fail to operate
|
|
Packit |
6c4009 |
* properly if the data is not aligned. The standard way to use these
|
|
Packit |
6c4009 |
* is to say:
|
|
Packit |
6c4009 |
* if ((buf = XDR_INLINE(xdrs, count)) == NULL)
|
|
Packit |
6c4009 |
* return (FALSE);
|
|
Packit |
6c4009 |
* <<< macro calls >>>
|
|
Packit |
6c4009 |
* where ``count'' is the number of bytes of data occupied
|
|
Packit |
6c4009 |
* by the primitive data types.
|
|
Packit |
6c4009 |
*
|
|
Packit |
6c4009 |
* N.B. and frozen for all time: each data type here uses 4 bytes
|
|
Packit |
6c4009 |
* of external representation.
|
|
Packit |
6c4009 |
*/
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
#define IXDR_GET_INT32(buf) ((int32_t)ntohl((uint32_t)*(buf)++))
|
|
Packit |
6c4009 |
#define IXDR_PUT_INT32(buf, v) (*(buf)++ = (int32_t)htonl((uint32_t)(v)))
|
|
Packit |
6c4009 |
#define IXDR_GET_U_INT32(buf) ((uint32_t)IXDR_GET_INT32(buf))
|
|
Packit |
6c4009 |
#define IXDR_PUT_U_INT32(buf, v) IXDR_PUT_INT32(buf, (int32_t)(v))
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
/* WARNING: The IXDR_*_LONG defines are removed by Sun for new platforms
|
|
Packit |
6c4009 |
* and shouldn't be used any longer. Code which use this defines or longs
|
|
Packit |
6c4009 |
* in the RPC code will not work on 64bit Solaris platforms !
|
|
Packit |
6c4009 |
*/
|
|
Packit |
6c4009 |
#define IXDR_GET_LONG(buf) ((long)IXDR_GET_U_INT32(buf))
|
|
Packit |
6c4009 |
#define IXDR_PUT_LONG(buf, v) ((long)IXDR_PUT_INT32(buf, (long)(v)))
|
|
Packit |
6c4009 |
#define IXDR_GET_U_LONG(buf) ((u_long)IXDR_GET_LONG(buf))
|
|
Packit |
6c4009 |
#define IXDR_PUT_U_LONG(buf, v) IXDR_PUT_LONG(buf, (long)(v))
|
|
Packit |
6c4009 |
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#define IXDR_GET_BOOL(buf) ((bool_t)IXDR_GET_LONG(buf))
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#define IXDR_GET_ENUM(buf, t) ((t)IXDR_GET_LONG(buf))
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#define IXDR_GET_SHORT(buf) ((short)IXDR_GET_LONG(buf))
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#define IXDR_GET_U_SHORT(buf) ((u_short)IXDR_GET_LONG(buf))
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#define IXDR_PUT_BOOL(buf, v) IXDR_PUT_LONG(buf, (long)(v))
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#define IXDR_PUT_ENUM(buf, v) IXDR_PUT_LONG(buf, (long)(v))
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#define IXDR_PUT_SHORT(buf, v) IXDR_PUT_LONG(buf, (long)(v))
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#define IXDR_PUT_U_SHORT(buf, v) IXDR_PUT_LONG(buf, (long)(v))
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/*
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* These are the "generic" xdr routines.
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* None of these can have const applied because it's not possible to
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* know whether the call is a read or a write to the passed parameter
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* also, the XDR structure is always updated by some of these calls.
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*/
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extern bool_t xdr_void (void) __THROW;
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extern bool_t xdr_short (XDR *__xdrs, short *__sp) __THROW;
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extern bool_t xdr_u_short (XDR *__xdrs, u_short *__usp) __THROW;
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extern bool_t xdr_int (XDR *__xdrs, int *__ip) __THROW;
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extern bool_t xdr_u_int (XDR *__xdrs, u_int *__up) __THROW;
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extern bool_t xdr_long (XDR *__xdrs, long *__lp) __THROW;
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extern bool_t xdr_u_long (XDR *__xdrs, u_long *__ulp) __THROW;
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extern bool_t xdr_hyper (XDR *__xdrs, quad_t *__llp) __THROW;
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extern bool_t xdr_u_hyper (XDR *__xdrs, u_quad_t *__ullp) __THROW;
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extern bool_t xdr_longlong_t (XDR *__xdrs, quad_t *__llp) __THROW;
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extern bool_t xdr_u_longlong_t (XDR *__xdrs, u_quad_t *__ullp) __THROW;
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extern bool_t xdr_int8_t (XDR *__xdrs, int8_t *__ip) __THROW;
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extern bool_t xdr_uint8_t (XDR *__xdrs, uint8_t *__up) __THROW;
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extern bool_t xdr_int16_t (XDR *__xdrs, int16_t *__ip) __THROW;
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extern bool_t xdr_uint16_t (XDR *__xdrs, uint16_t *__up) __THROW;
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extern bool_t xdr_int32_t (XDR *__xdrs, int32_t *__ip) __THROW;
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extern bool_t xdr_uint32_t (XDR *__xdrs, uint32_t *__up) __THROW;
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extern bool_t xdr_int64_t (XDR *__xdrs, int64_t *__ip) __THROW;
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extern bool_t xdr_uint64_t (XDR *__xdrs, uint64_t *__up) __THROW;
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extern bool_t xdr_quad_t (XDR *__xdrs, quad_t *__ip) __THROW;
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extern bool_t xdr_u_quad_t (XDR *__xdrs, u_quad_t *__up) __THROW;
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extern bool_t xdr_bool (XDR *__xdrs, bool_t *__bp) __THROW;
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extern bool_t xdr_enum (XDR *__xdrs, enum_t *__ep) __THROW;
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extern bool_t xdr_array (XDR * _xdrs, caddr_t *__addrp, u_int *__sizep,
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u_int __maxsize, u_int __elsize, xdrproc_t __elproc)
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__THROW;
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extern bool_t xdr_bytes (XDR *__xdrs, char **__cpp, u_int *__sizep,
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u_int __maxsize) __THROW;
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extern bool_t xdr_opaque (XDR *__xdrs, caddr_t __cp, u_int __cnt) __THROW;
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extern bool_t xdr_string (XDR *__xdrs, char **__cpp, u_int __maxsize) __THROW;
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extern bool_t xdr_union (XDR *__xdrs, enum_t *__dscmp, char *__unp,
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const struct xdr_discrim *__choices,
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xdrproc_t __dfault) __THROW;
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extern bool_t xdr_char (XDR *__xdrs, char *__cp) __THROW;
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extern bool_t xdr_u_char (XDR *__xdrs, u_char *__cp) __THROW;
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extern bool_t xdr_vector (XDR *__xdrs, char *__basep, u_int __nelem,
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u_int __elemsize, xdrproc_t __xdr_elem) __THROW;
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extern bool_t xdr_float (XDR *__xdrs, float *__fp) __THROW;
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extern bool_t xdr_double (XDR *__xdrs, double *__dp) __THROW;
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extern bool_t xdr_reference (XDR *__xdrs, caddr_t *__xpp, u_int __size,
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xdrproc_t __proc) __THROW;
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extern bool_t xdr_pointer (XDR *__xdrs, char **__objpp,
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u_int __obj_size, xdrproc_t __xdr_obj) __THROW;
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extern bool_t xdr_wrapstring (XDR *__xdrs, char **__cpp) __THROW;
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extern u_long xdr_sizeof (xdrproc_t, void *) __THROW;
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/*
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* Common opaque bytes objects used by many rpc protocols;
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* declared here due to commonality.
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*/
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#define MAX_NETOBJ_SZ 1024
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struct netobj
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{
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u_int n_len;
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char *n_bytes;
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};
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typedef struct netobj netobj;
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extern bool_t xdr_netobj (XDR *__xdrs, struct netobj *__np) __THROW;
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/*
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* These are the public routines for the various implementations of
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* xdr streams.
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*/
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/* XDR using memory buffers */
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extern void xdrmem_create (XDR *__xdrs, const caddr_t __addr,
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u_int __size, enum xdr_op __xop) __THROW;
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/* XDR using stdio library */
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extern void xdrstdio_create (XDR *__xdrs, FILE *__file, enum xdr_op __xop)
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__THROW;
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/* XDR pseudo records for tcp */
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extern void xdrrec_create (XDR *__xdrs, u_int __sendsize,
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u_int __recvsize, caddr_t __tcp_handle,
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int (*__readit) (char *, char *, int),
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int (*__writeit) (char *, char *, int)) __THROW;
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/* make end of xdr record */
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extern bool_t xdrrec_endofrecord (XDR *__xdrs, bool_t __sendnow) __THROW;
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/* move to beginning of next record */
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extern bool_t xdrrec_skiprecord (XDR *__xdrs) __THROW;
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/* true if no more input */
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extern bool_t xdrrec_eof (XDR *__xdrs) __THROW;
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/* free memory buffers for xdr */
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extern void xdr_free (xdrproc_t __proc, char *__objp) __THROW;
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__END_DECLS
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#endif /* rpc/xdr.h */
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