231 lines
5.7 KiB
HTML
231 lines
5.7 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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<head>
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<title>UnRAR.dll Manual</title>
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</head>
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<body>
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<h3>RARHeaderDataEx structure</h3>
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<pre>
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struct RARHeaderDataEx
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{
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char ArcName[1024];
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wchar_t ArcNameW[1024];
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char FileName[1024];
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wchar_t FileNameW[1024];
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unsigned int Flags;
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unsigned int PackSize;
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unsigned int PackSizeHigh;
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unsigned int UnpSize;
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unsigned int UnpSizeHigh;
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unsigned int HostOS;
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unsigned int FileCRC;
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unsigned int FileTime;
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unsigned int UnpVer;
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unsigned int Method;
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unsigned int FileAttr;
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char *CmtBuf;
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unsigned int CmtBufSize;
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unsigned int CmtSize;
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unsigned int CmtState;
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unsigned int Reserved[1024];
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};
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</pre>
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<h3>Description</h3>
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<p>This structure is used by <a href="RARReadHeaderEx.htm">RARReadHeaderEx</a>
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function.</p>
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<h3>Structure fields</h3>
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<ul>
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<li>
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<i>ArcName</i>
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<blockquote>
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Output parameter, which contains a zero terminated string of the current
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archive name. May be used to determine the current volume name.
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</blockquote>
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<li>
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<i>ArcNameW</i>
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<blockquote>
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Output parameter, which contains a zero terminated string of the current
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archive name in Unicode. May be used to determine the current volume name.
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</blockquote>
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<li>
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<i>FileName</i>
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<blockquote>
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Output parameter, which contains a zero terminated string of the file name
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in OEM (DOS) encoding.
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</blockquote>
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<li>
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<i>FileNameW</i>
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<blockquote>
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Output parameter, which contains a zero terminated string of the file name
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in Unicode.
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</blockquote>
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<li>
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<i>Flags</i>
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<blockquote>
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<p>Output parameter which contains file flags:</p>
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<table border="1">
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<tr><td>0x01</td><td>File continued from previous volume</td></tr>
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<tr><td>0x02</td><td>File continued on next volume</td></tr>
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<tr><td>0x04</td><td>File encrypted with password</td></tr>
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<tr><td>0x08</td><td>File comment present</td></tr>
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<tr><td>0x10</td><td>Previous files data is used (solid flag)</td></tr>
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</table>
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<p>Bits 7 6 5 (0xE0 mask)</p>
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<table border="1">
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<tr><td>0 0 0 (0x00)</td><td>Dictionary size 64 KB</td></tr>
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<tr><td>0 0 1 (0x20)</td><td>Dictionary size 128 KB</td></tr>
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<tr><td>0 1 0 (0x40)</td><td>Dictionary size 256 KB</td></tr>
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<tr><td>0 1 1 (0x60)</td><td>Dictionary size 512 KB</td></tr>
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<tr><td>1 0 0 (0x80)</td><td>Dictionary size 1024 KB</td></tr>
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<tr><td>1 0 1 (0xA0)</td><td>Dictionary size 2048 KB</td></tr>
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<tr><td>1 1 0 (0xA0)</td><td>Dictionary size 4096 KB</td></tr>
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<tr><td>1 1 1 (0xE0)</td><td>Directory record</td></tr>
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</table>
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<p>Other bits are reserved.</p>
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</blockquote>
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<li>
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<i>PackSize</i>
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<blockquote>
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Output parameter. Lower 32 bits of packed file size. If file is split
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between volumes, it contains the lower 32 bits of file part size.
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</blockquote>
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<li>
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<i>PackSizeHigh</i>
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<blockquote>
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Output parameter. Higher 32 bits of packed file size. If file is split
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between volumes, it contains the higher 32 bits of file part size.
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</blockquote>
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<li>
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<i>UnpSize</i>
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<blockquote>
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Output parameter. Lower 32 bits of unpacked file size.
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</blockquote>
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<li>
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<i>UnpSizeHigh</i>
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<blockquote>
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Output parameter. Higher 32 bits of unpacked file size.
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</blockquote>
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<li>
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<i>HostOS</i>
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<blockquote>
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<p>Output parameter. Operating system used to create the archive.</p>
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<table border="1">
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<tr><td>0</td><td>MS DOS</td></tr>
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<tr><td>1</td><td>OS/2</td></tr>
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<tr><td>2</td><td>Windows</td></tr>
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<tr><td>3</td><td>Unix</td></tr>
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</table>
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</blockquote>
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<li>
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<i>FileCRC</i>
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<blockquote>
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Output parameter, which contains unpacked file CRC32. In case of file
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parts split between volumes only the last part contains the correct
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CRC and it is accessible only in RAR_OM_LIST_INCSPLIT listing mode.
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</blockquote>
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<li>
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<i>FileTime</i>
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<blockquote>
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Output parameter. Contains the file modification date and time in standard
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MS DOS format.
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</blockquote>
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<li>
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<i>UnpVer</i>
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<blockquote>
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Output parameter. RAR version needed to extract file.
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It is encoded as 10 * Major version + minor version.
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</blockquote>
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<li>
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<i>Method</i>
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<blockquote>
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<p>Output parameter. Packing method.</p>
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<table border="1">
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<tr><td>0x30</td><td>Storing</td></tr>
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<tr><td>0x31</td><td>Fastest compression</td></tr>
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<tr><td>0x32</td><td>Fast compression</td></tr>
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<tr><td>0x33</td><td>Normal compression</td></tr>
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<tr><td>0x34</td><td>Good compression</td></tr>
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<tr><td>0x35</td><td>Best compression</td></tr>
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</table>
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</blockquote>
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<li>
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<i>FileAttr</i>
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<blockquote>
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Output parameter. File attributes.
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</blockquote>
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</ul>
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<li>
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<i>CmtBuf</i>
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<blockquote>
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<p>Input parameter. Points to the buffer for file comment.</p>
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<p>File comment support is not implemented in current unrar.dll version.
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Appropriate parameters are preserved only for compatibility
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with older versions.</p>
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<p>Set this field to NULL.</p>
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</blockquote>
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<li>
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<i>CmtBufSize</i>
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<blockquote>
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<p>Input parameter. Size of buffer for archive comments.</p>
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<p>File comment support is not implemented in current unrar.dll version.</p>
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<p>Set this field to 0.</p>
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</blockquote>
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<li>
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<i>CmtSize</i>
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<blockquote>
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<p>Output parameter. Size of file comment read into buffer.<p>
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<p>File comment support is not implemented in current unrar.dll version.</p>
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<p>Always equal to 0.</p>
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</blockquote>
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<li>
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<i>CmtState</i>
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<blockquote>
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<p>Output parameter. State of file comment.<p>
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<p>File comment support is not implemented in current unrar.dll version.</p>
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<p>Always equal to 0.</p>
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</blockquote>
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<li>
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<i>Reserved</i>
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<blockquote>
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Reserved for future use. The entire array must be filled with zeroes.
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</blockquote>
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</ul>
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<h3>See also</h3>
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<blockquote>
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<a href="RARReadHeaderEx.htm">RARReadHeaderEx</a> function.
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</blockquote>
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</body>
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</html>
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