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/*++
Copyright (c) 1989-1993 Microsoft Corporation
Module Name:
sthdrs.h
Abstract:
This module defines private structure definitions describing the layout
of the NT Sample Transport frames.
Revision History:
--*/
#ifndef _STHDRS_
#define _STHDRS_
//
// Pack these headers, as they are sent fully packed on the network.
//
#ifdef PACKING
#ifdef __STDC__
#pragma Off(Align_members)
#else
#pragma pack(1)
#endif // def __STDC__
#endif // def PACKING
#define ST_SIGNATURE 0x37
#define ST_CMD_CONNECT 'C'
#define ST_CMD_DISCONNECT 'D'
#define ST_CMD_INFORMATION 'I'
#define ST_CMD_DATAGRAM 'G'
#define ST_FLAGS_LAST 0x0001 // for information frames
#define ST_FLAGS_BROADCAST 0x0002 // for datagrams
typedef struct _ST_HEADER {
UCHAR Signature; // set to ST_SIGNATURE
UCHAR Command; // command byte
UCHAR Flags; // packet flags
UCHAR Reserved; // unused
UCHAR Destination[16]; // destination Netbios address
UCHAR Source[16]; // source Netbios address
} ST_HEADER, *PST_HEADER;
//
// Resume previous structure packing method.
//
#ifdef PACKING
#ifdef __STDC__
#pragma Pop(Align_members)
#else
#pragma pack()
#endif // def __STDC__
#endif // def PACKING
#endif // def _STHDRS_
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