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509 lines
13 KiB
509 lines
13 KiB
/************************************************************************
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Copyright (c) 1993-2000 Microsoft Corporation
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Module Name :
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pipendr.h
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Abstract :
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NDR Pipe related definitions.
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Author :
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RyszardK December 1995
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Revision History :
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***********************************************************************/
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#ifndef _PIPENDR_H_
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#define _PIPENDR_H_
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#include "interp2.h"
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typedef struct _NDR_PIPE_DESC * PNDR_PIPE_DESC;
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#define PIPE_PARTIAL_BUFFER_SIZE 5000
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#define PIPE_ELEM_BUFFER_SIZE 5000
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//
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// Signature and version
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//
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#define NDR_PIPE_SIGNATURE (ushort) 0x5667
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#define NDR_PIPE_VERSION (short) 0x3031
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//
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// Pipe flags
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//
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#define NDR_IN_PIPE 0x0001
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#define NDR_OUT_PIPE 0x0002
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#define NDR_LAST_IN_PIPE 0x0004
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#define NDR_LAST_OUT_PIPE 0x0008
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#define NDR_OUT_ALLOCED 0x0010
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#define NDR_REF_PIPE 0x0020
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//
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// Pipe Status - global state for individual pipes in the pipe message.
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//
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typedef enum {
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NDR_PIPE_NOT_OPENED,
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NDR_PIPE_ACTIVE_IN,
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NDR_PIPE_ACTIVE_OUT,
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NDR_PIPE_DRAINED
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} NDR_PIPE_STATUS;
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#define PLONG_LV_CAST *(long * *)&
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#define PULONG_LV_CAST *(ulong * *)&
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#define WIRE_PAD(size, al) ((((ulong)size)&al) ? ((ulong)(al+1)-(((ulong)size)&al)) : 0)
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#define REMAINING_BYTES() ((long)pStubMsg->RpcMsg->BufferLength - \
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(long)(pStubMsg->Buffer - (uchar*)pStubMsg->RpcMsg->Buffer))
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// These are the states of the state machine processing the chunks
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// in the marshaling buffer.
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typedef enum {
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START,
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COPY_PIPE_ELEM,
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RETURN_PARTIAL_ELEM,
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READ_PARTIAL_ELEM,
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VERIFY_TAIL_CHUNK
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} RECEIVE_STATES;
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typedef struct _FC_PIPE_DEF
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{
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unsigned char Fc;
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unsigned char Align : 4; //
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unsigned char Unused : 1; // Flag and alignment byte
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unsigned char HasRange : 1; //
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unsigned char ObjectPipe : 1; //
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unsigned char BigPipe : 1; //
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short TypeOffset;
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union
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{
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struct
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{
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unsigned short MemSize;
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unsigned short WireSize;
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unsigned long LowChunkLimit;
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unsigned long HighChunkLimit;
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} s;
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struct
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{
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unsigned long MemSize;
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unsigned long WireSize;
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unsigned long LowChunkLimit;
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unsigned long HighChunkLimit;
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} Big;
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};
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} FC_PIPE_DEF;
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//
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// The NDR_PIPE_*_RTN are templates for the DCE raw runtime routines.
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// This should be moved to rpcndr.h when we decide to expose -Os stubs.
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//
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typedef void
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(__RPC_API * NDR_PIPE_PULL_RTN)(
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char * state,
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void * buf,
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unsigned long esize,
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unsigned long * ecount );
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typedef void
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(__RPC_API * NDR_PIPE_PUSH_RTN)(
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char * state,
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void * buf,
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unsigned long ecount );
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typedef void
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(__RPC_API * NDR_PIPE_ALLOC_RTN)(
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char * state,
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unsigned long bsize,
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void ** buf,
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unsigned long * bcount );
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//
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// The NDR_HR_PIPE_*_RTN are templates abstracting DCOM pipe routines
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// and also async raw pipe routine - note that there is an error code returned.
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//
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typedef RPC_STATUS
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(__RPC_API * NDR_HR_PIPE_PULL_RTN)(
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char * state,
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void * buf,
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unsigned long esize,
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unsigned long * ecount );
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typedef RPC_STATUS
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(__RPC_API * NDR_HR_PIPE_PUSH_RTN)(
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char * state,
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void * buf,
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unsigned long ecount );
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typedef RPC_STATUS
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(__RPC_API * NDR_HR_PIPE_ALLOC_RTN)(
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char * state,
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unsigned long bsize,
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void ** buf,
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unsigned long * bcount );
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typedef struct _GENERIC_PIPE_TYPE
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{
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NDR_HR_PIPE_PULL_RTN pfnPull;
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NDR_HR_PIPE_PUSH_RTN pfnPush;
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NDR_HR_PIPE_ALLOC_RTN pfnAlloc;
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char * pState;
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} GENERIC_PIPE_TYPE;
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#define NDR_DEFAULT_PIPE_HIGH_CHUNK_LIMIT 0x0ffffff /* less than 2GB */
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typedef struct {
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int CurrentState;
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int TotalElemsCount;
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int OrigElemsInChunk;
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int ElemsInChunk;
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int ElemAlign;
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int ElemWireSize;
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int ElemMemSize;
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int PartialBufferSize;
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unsigned char * PartialElem;
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int PartialElemSize;
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int PartialOffset;
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int EndOfPipe : 1;
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int EndOfPipePending : 1;
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int LowChunkLimit;
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int HighChunkLimit;
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BOOL fBlockCopy;
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int ElemPad;
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PFORMAT_STRING TypeFormat;
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} NDR_PIPE_STATE;
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typedef enum _NDR_DCOM_PIPE_STATE
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{
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NDR_DCOM_NO_PIPES,
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NDR_DCOM_IN_PIPE_PROCESSING,
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NDR_DCOM_IN_PIPES_DRAINED,
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NDR_DCOM_OUT_PIPE_PROCESSING,
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NDR_DCOM_OUT_PIPES_DRAINED,
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NDR_DCOM_PIPES_DONE,
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NDR_DCOM_PIPE_ERROR
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} NDR_DCOM_PIPE_STATE;
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typedef struct _NDR_PIPE_MESSAGE
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{
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unsigned short Signature;
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unsigned short PipeId;
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unsigned short PipeStatus;
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unsigned short PipeFlags;
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PFORMAT_STRING pTypeFormat;
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PMIDL_STUB_MESSAGE pStubMsg;
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GENERIC_PIPE_TYPE * pPipeObject;
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} NDR_PIPE_MESSAGE, * PNDR_PIPE_MESSAGE;
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//
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// Flags helping with the buffer management at the server.
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// [in] pipes need to be processed within a separate in buffer.
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// This buffer needs to be freed after last [in] pipe.
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// [out] pipe processing has to start with a partial RpcGetBuffer.
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// Nothing needs to be done with that buffer before return to runtime.
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//
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typedef struct _PIPEDESC_FLAGS
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{
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unsigned short AuxOutBufferAllocated : 1;
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unsigned short NoBufferCallPending : 1;
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unsigned short Reserved : 1;
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unsigned short NoMoreBuffersToRead : 1;
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} PIPEDESC_FLAGS;
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#ifdef __cplusplus
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class NDR_PIPE_HELPER
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{
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public:
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// Init functions
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virtual PNDR_PIPE_DESC GetPipeDesc() = 0;
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// Parameter enum functions
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virtual bool InitParamEnum() = 0;
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virtual bool GotoNextParam() = 0;
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virtual unsigned short GetParamPipeFlags() = 0;
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virtual PFORMAT_STRING GetParamTypeFormat() = 0;
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virtual char *GetParamArgument() = 0;
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// Pipe State
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virtual void InitPipeStateWithType( PNDR_PIPE_MESSAGE pPipeMsg) = 0;
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// Marshall Unmarshall Functions.
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virtual void MarshallType( PNDR_PIPE_MESSAGE pPipeMsg,
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uchar *pMemory,
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unsigned long Elements ) = 0;
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virtual void UnmarshallType( PNDR_PIPE_MESSAGE pPipeMsg,
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uchar *pMemory,
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unsigned long Elements ) = 0;
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virtual void BufferSizeType( PNDR_PIPE_MESSAGE pPipeMsg,
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uchar *pMemory,
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unsigned long Elements ) = 0;
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virtual void ConvertType( PNDR_PIPE_MESSAGE pPipeMsg,
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unsigned long Elements ) = 0;
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virtual void BufferSizeChunkCounter( PNDR_PIPE_MESSAGE pPipeMsg ) = 0;
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virtual bool UnmarshallChunkCounter( PNDR_PIPE_MESSAGE pPipeMsg,
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ulong *pOut ) = 0;
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virtual void MarshallChunkCounter( PNDR_PIPE_MESSAGE pPipeMsg,
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ulong Counter ) = 0;
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virtual void BufferSizeChunkTailCounter( PNDR_PIPE_MESSAGE pPipeMsg ) = 0;
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virtual void MarshallChunkTailCounter( PNDR_PIPE_MESSAGE pPipeMsg,
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ulong Counter ) = 0;
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virtual bool VerifyChunkTailCounter( PNDR_PIPE_MESSAGE pPipeMsg,
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ulong HeaderCounter ) = 0;
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virtual bool HasChunkTailCounter() = 0;
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};
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typedef NDR_PIPE_HELPER *PNDR_PIPE_HELPER;
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#else // #ifdef __cplusplus
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typedef void *PNDR_PIPE_HELPER;
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#endif
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typedef struct _NDR_ALLOCA_CONTEXT *PNDR_ALLOCA_CONTEXT;
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typedef struct _NDR_PIPE_DESC
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{
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NDR_PIPE_MESSAGE * pPipeMsg;
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short CurrentPipe;
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short PrevPipe;
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short InPipes;
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short OutPipes;
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short TotalPipes;
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short PipeVersion;
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PIPEDESC_FLAGS Flags;
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unsigned long PipeException;
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unsigned char * DispatchBuffer;
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unsigned long DispatchBufferLength;
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unsigned char * LastPartialBuffer;
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unsigned long LastPartialSize;
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unsigned char Leftover[8];
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unsigned long LeftoverSize;
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unsigned char * BufferSave;
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unsigned long LengthSave;
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NDR_PIPE_STATE RuntimeState;
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void * ChainingBuffer;
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unsigned long ChainingBufferSize;
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PNDR_PIPE_HELPER pPipeHelper;
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PNDR_ALLOCA_CONTEXT pAllocContext;
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} NDR_PIPE_DESC, * PNDR_PIPE_DESC;
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//
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// Most of these prototypes should be exposed when we have -Os stubs.
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//
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void RPC_ENTRY
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NdrPipeAlloc(
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char * pState,
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unsigned long bsize,
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void ** buf,
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unsigned long * bcount );
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RPC_STATUS RPC_ENTRY
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NdrAsyncPipeAlloc(
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char * pState,
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unsigned long bsize,
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void ** buf,
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unsigned long * bcount );
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RPCRTAPI
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RPC_STATUS RPC_ENTRY
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NdrAsyncPipePull(
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char * pState,
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void * buf,
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unsigned long esize,
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unsigned long * ecount );
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RPCRTAPI
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RPC_STATUS RPC_ENTRY
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NdrAsyncPipePush(
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char * pState,
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void * buf,
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unsigned long ecount );
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void
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NdrpPipeElementBufferSize(
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NDR_PIPE_DESC * pPipeDesc,
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PMIDL_STUB_MESSAGE pStubMsg,
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uchar * pMemory,
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ulong ElemCount
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);
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void
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NdrpPipeElementConvertAndUnmarshal(
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NDR_PIPE_DESC * pPipeDesc,
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PMIDL_STUB_MESSAGE pStubMsg,
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uchar * * ppMemory,
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long ElemMemCount,
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long * pActCount
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);
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BOOL
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NdrReadPipeElements(
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NDR_PIPE_DESC * pPipeDesc,
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PMIDL_STUB_MESSAGE pStubMsg,
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unsigned char * pTargetBuffer,
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long * pElementsRead
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);
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void
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NdrpReadPipeElementsFromBuffer (
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NDR_PIPE_DESC * pPipeDesc,
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PMIDL_STUB_MESSAGE pStubMsg,
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uchar ** TargetBuffer,
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long TargetBufferCount,
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long * NumCopied
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);
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RPC_STATUS
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NdrpPushPipeForClient(
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PMIDL_STUB_MESSAGE pStubMsg,
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NDR_PIPE_DESC * pPipeDesc,
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BOOL fPushWholePipe,
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long * pActElems );
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RPC_STATUS
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NdrpPullPipeForClient(
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PMIDL_STUB_MESSAGE pStubMsg,
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NDR_PIPE_DESC * pPipeDesc,
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BOOL fPushWholePipe,
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long * pActElems,
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BOOL * fEndOfPipe );
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void
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NdrMarkNextActivePipe(
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NDR_PIPE_DESC * pPipeDesc );
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RPC_STATUS RPC_ENTRY
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NdrSend(
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NDR_PIPE_DESC * pPipeDesc,
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PMIDL_STUB_MESSAGE pStubMsg,
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BOOL fPartial );
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void RPC_ENTRY
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NdrPartialSend(
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NDR_PIPE_DESC * pPipeDesc,
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PMIDL_STUB_MESSAGE pStubMsg );
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void RPC_ENTRY
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NdrCompleteSend(
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NDR_PIPE_DESC * pPipeDesc,
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PMIDL_STUB_MESSAGE pStubMsg );
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void RPC_ENTRY
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NdrReceive(
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NDR_PIPE_DESC * pPipeDesc,
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PMIDL_STUB_MESSAGE pStubMsg,
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unsigned long Size,
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BOOL fPartial );
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void RPC_ENTRY
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NdrPartialReceive(
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NDR_PIPE_DESC * pPipeDesc,
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PMIDL_STUB_MESSAGE pStubMsg,
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unsigned long Size );
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void RPC_ENTRY
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NdrPipeSendReceive(
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PMIDL_STUB_MESSAGE pStubMsg,
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NDR_PIPE_DESC * pPipeDesc
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);
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void
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RPC_ENTRY
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NdrIsAppDoneWithPipes(
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PNDR_PIPE_DESC pPipeDesc
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);
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void RPC_ENTRY
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NdrPipesInitialize(
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PMIDL_STUB_MESSAGE pStubMsg,
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PNDR_PIPE_HELPER pPipeHelper,
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PNDR_ALLOCA_CONTEXT pAllocContext
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);
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void
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NdrpPipesInitialize32(
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PMIDL_STUB_MESSAGE pStubMsg,
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PNDR_ALLOCA_CONTEXT pAllocContext,
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PFORMAT_STRING Params,
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char * pStackTop,
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unsigned long NumberParams
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);
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void
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NdrpPipesInitialize64(
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PMIDL_STUB_MESSAGE pStubMsg,
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PNDR_ALLOCA_CONTEXT pAllocContext,
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PFORMAT_STRING Params,
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char * pStackTop,
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unsigned long NumberParams
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);
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RPCRTAPI
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void
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RPC_ENTRY
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NdrPipePull(
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char * pState,
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void * buf,
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unsigned long esize,
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unsigned long * ecount );
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RPCRTAPI
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void
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RPC_ENTRY
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NdrPipePush(
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char * pState,
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void * buf,
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unsigned long ecount );
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RPCRTAPI
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unsigned char *
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RPC_ENTRY
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NdrGetPipeBuffer(
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PMIDL_STUB_MESSAGE pStubMsg,
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unsigned long BufferLength,
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RPC_BINDING_HANDLE Handle );
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RPCRTAPI
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void
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RPC_ENTRY
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NdrGetPartialBuffer(
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PMIDL_STUB_MESSAGE pStubMsg );
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void
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NdrpRaisePipeException(
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NDR_PIPE_DESC * pPipeDesc,
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RPC_STATUS Exception );
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#endif // PIPENDR
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