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https://github.com/aaru-dps/Aaru.git
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Refactor image classes and split them to smaller files.
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206
DiscImageChef.DiscImages/Partimage/Structs.cs
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206
DiscImageChef.DiscImages/Partimage/Structs.cs
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// /***************************************************************************
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// The Disc Image Chef
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// ----------------------------------------------------------------------------
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//
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// Filename : Structs.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : Disk image plugins.
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Contains structures for partimage disk images.
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//
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// --[ License ] --------------------------------------------------------------
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//
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// This library is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; either version 2.1 of the
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// License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, see <http://www.gnu.org/licenses/>.
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//
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// ----------------------------------------------------------------------------
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// Copyright © 2011-2018 Natalia Portillo
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// ****************************************************************************/
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using System.Runtime.InteropServices;
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namespace DiscImageChef.DiscImages
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{
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public partial class Partimage
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{
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/// <summary>
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/// Partimage disk image header, little-endian
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/// </summary>
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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struct PartimageHeader
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{
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/// <summary>
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/// Magic, <see cref="Partimage.partimageMagic" />
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/// </summary>
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 32)]
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public byte[] magic;
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/// <summary>
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/// Source filesystem
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/// </summary>
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 64)]
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public byte[] version;
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/// <summary>
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/// Volume number
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/// </summary>
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public uint volumeNumber;
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/// <summary>
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/// Image identifier
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/// </summary>
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public ulong identificator;
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/// <summary>
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/// Empty space
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/// </summary>
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 404)]
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public byte[] reserved;
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}
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struct PortableTm
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{
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public uint Second;
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public uint Minute;
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public uint Hour;
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public uint DayOfMonth;
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public uint Month;
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public uint Year;
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public uint DayOfWeek;
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public uint DayOfYear;
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public uint IsDst;
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public uint GmtOff;
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public uint Timezone;
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}
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/// <summary>
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/// Partimage CMainHeader
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/// </summary>
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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struct PartimageMainHeader
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{
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 512)]
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public byte[] szFileSystem; // ext2fs, ntfs, reiserfs, ...
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DESCRIPTION)]
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public byte[] szPartDescription; // user description of the partition
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DEVICENAMELEN)]
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public byte[] szOriginalDevice; // original partition name
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 4095)]
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public byte[] szFirstImageFilepath; //MAXPATHLEN]; // for splitted image files
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// system and hardware infos
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_UNAMEINFOLEN)]
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public byte[] szUnameSysname;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_UNAMEINFOLEN)]
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public byte[] szUnameNodename;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_UNAMEINFOLEN)]
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public byte[] szUnameRelease;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_UNAMEINFOLEN)]
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public byte[] szUnameVersion;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_UNAMEINFOLEN)]
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public byte[] szUnameMachine;
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public PCompression dwCompression; // COMPRESS_XXXXXX
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public uint dwMainFlags;
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public PortableTm dateCreate; // date of image creation
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public ulong qwPartSize; // size of the partition in bytes
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_HOSTNAMESIZE)]
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public byte[] szHostname;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 64)]
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public byte[] szVersion; // version of the image file
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// MBR backup
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public uint dwMbrCount; // how many MBR are saved in the image file
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public uint dwMbrSize; // size of a MBR record (allow to change the size in the next versions)
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// future encryption support
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public PEncryption dwEncryptAlgo; // algo used to encrypt data
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 16)]
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public byte[] cHashTestKey; // used to test the password without giving it
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// reserved for future use (save DiskLabel, Extended partitions, ...)
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public uint dwReservedFuture000;
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public uint dwReservedFuture001;
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public uint dwReservedFuture002;
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public uint dwReservedFuture003;
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public uint dwReservedFuture004;
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public uint dwReservedFuture005;
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public uint dwReservedFuture006;
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public uint dwReservedFuture007;
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public uint dwReservedFuture008;
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public uint dwReservedFuture009;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 6524)]
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public byte[] cReserved; // Adjust to fit with total header size
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public uint crc;
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}
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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struct CMbr // must be 1024
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{
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = MBR_SIZE_WHOLE)]
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public byte[] cData;
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public uint dwDataCRC;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DEVICENAMELEN)]
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public byte[] szDevice; // ex: "hda"
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// disk identificators
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ulong qwBlocksCount;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = MAX_DESC_MODEL)]
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public byte[] szDescModel;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 884)]
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public byte[] cReserved; // for future use
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//public byte[] szDescGeometry[MAX_DESC_GEOMETRY];
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//public byte[] szDescIdentify[MAX_DESC_IDENTIFY];
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}
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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struct CCheck
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{
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 4)]
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byte[] cMagic; // must be 'C','H','K'
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public uint dwCRC; // CRC of the CHECK_FREQUENCY blocks
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public ulong qwPos; // number of the last block written
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}
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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struct CLocalHeader // size must be 16384 (adjust the reserved data)
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{
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public ulong qwBlockSize;
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public ulong qwUsedBlocks;
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public ulong qwBlocksCount;
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public ulong qwBitmapSize; // bytes in the bitmap
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public ulong qwBadBlocksCount;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 64)]
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public byte[] szLabel;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 16280)]
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public byte[] cReserved; // Adjust to fit with total header size
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public uint crc;
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}
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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struct CMainTail // size must be 16384 (adjust the reserved data)
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{
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public ulong qwCRC;
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public uint dwVolumeNumber;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 16372)]
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public byte[] cReserved; // Adjust to fit with total header size
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}
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}
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}
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