diff -r ea891871f481 -r bb5522e88ab2 misc/libphysfs/lzma/C/Archive/7z/7zIn.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/misc/libphysfs/lzma/C/Archive/7z/7zIn.h	Mon Apr 10 12:06:43 2017 -0400
@@ -0,0 +1,55 @@
+/* 7zIn.h */
+
+#ifndef __7Z_IN_H
+#define __7Z_IN_H
+
+#include "7zHeader.h"
+#include "7zItem.h"
+#include "7zAlloc.h"
+ 
+typedef struct _CInArchiveInfo
+{
+  CFileSize StartPositionAfterHeader; 
+  CFileSize DataStartPosition;
+}CInArchiveInfo;
+
+typedef struct _CArchiveDatabaseEx
+{
+  CArchiveDatabase Database;
+  CInArchiveInfo ArchiveInfo;
+  UInt32 *FolderStartPackStreamIndex;
+  CFileSize *PackStreamStartPositions;
+  UInt32 *FolderStartFileIndex;
+  UInt32 *FileIndexToFolderIndexMap;
+}CArchiveDatabaseEx;
+
+void SzArDbExInit(CArchiveDatabaseEx *db);
+void SzArDbExFree(CArchiveDatabaseEx *db, void (*freeFunc)(void *));
+CFileSize SzArDbGetFolderStreamPos(CArchiveDatabaseEx *db, UInt32 folderIndex, UInt32 indexInFolder);
+int SzArDbGetFolderFullPackSize(CArchiveDatabaseEx *db, UInt32 folderIndex, CFileSize *resSize);
+
+typedef struct _ISzInStream
+{
+  #ifdef _LZMA_IN_CB
+  SZ_RESULT (*Read)(
+      void *object,           /* pointer to ISzInStream itself */
+      void **buffer,          /* out: pointer to buffer with data */
+      size_t maxRequiredSize, /* max required size to read */
+      size_t *processedSize); /* real processed size. 
+                                 processedSize can be less than maxRequiredSize.
+                                 If processedSize == 0, then there are no more 
+                                 bytes in stream. */
+  #else
+  SZ_RESULT (*Read)(void *object, void *buffer, size_t size, size_t *processedSize);
+  #endif
+  SZ_RESULT (*Seek)(void *object, CFileSize pos);
+} ISzInStream;
+
+ 
+int SzArchiveOpen(
+    ISzInStream *inStream, 
+    CArchiveDatabaseEx *db,
+    ISzAlloc *allocMain, 
+    ISzAlloc *allocTemp);
+ 
+#endif