diff --git a/filesystem/VFileSystem009.h b/filesystem/VFileSystem009.h
new file mode 100644
index 00000000..a0b73123
--- /dev/null
+++ b/filesystem/VFileSystem009.h
@@ -0,0 +1,153 @@
+/*
+VFileSystem009.h - C++ interface for filesystem_stdio
+Copyright (C) 2022 Alibek Omarov
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+*/
+
+#ifndef VFILESYSTEM009_H
+#define VFILESYSTEM009_H
+
+// exported from dwarf
+typedef enum {
+	FILESYSTEM_SEEK_HEAD    = 0,
+	FILESYSTEM_SEEK_CURRENT = 1,
+	FILESYSTEM_SEEK_TAIL    = 2,
+} FileSystemSeek_t; /* size: 4 */
+
+typedef enum {
+	FILESYSTEM_WARNING_QUIET	     = 0,
+	FILESYSTEM_WARNING_REPORTUNCLOSED    = 1,
+	FILESYSTEM_WARNING_REPORTUSAGE       = 2,
+	FILESYSTEM_WARNING_REPORTALLACCESSES = 3,
+} FileWarningLevel_t; /* size: 4 */
+
+typedef void * FileHandle_t; /* size: 4 */
+typedef int FileFindHandle_t; /* size: 4 */
+typedef int WaitForResourcesHandle_t; /* size: 4 */
+
+class IBaseInterface
+{
+public:
+	virtual ~IBaseInterface() {}
+};
+
+class IVFileSystem009 : public IBaseInterface
+{
+public:
+	virtual void Mount() = 0; /* linkage=_ZN11IFileSystem5MountEv */
+
+	virtual void Unmount() = 0; /* linkage=_ZN11IFileSystem7UnmountEv */
+
+	virtual void RemoveAllSearchPaths() = 0; /* linkage=_ZN11IFileSystem20RemoveAllSearchPathsEv */
+
+	virtual void AddSearchPath(const char *, const char *) = 0; /* linkage=_ZN11IFileSystem13AddSearchPathEPKcS1_ */
+
+	virtual bool RemoveSearchPath(const char *) = 0; /* linkage=_ZN11IFileSystem16RemoveSearchPathEPKc */
+
+	virtual void RemoveFile(const char *, const char *) = 0; /* linkage=_ZN11IFileSystem10RemoveFileEPKcS1_ */
+
+	virtual void CreateDirHierarchy(const char *, const char *) = 0; /* linkage=_ZN11IFileSystem18CreateDirHierarchyEPKcS1_ */
+
+	virtual bool FileExists(const char *) = 0; /* linkage=_ZN11IFileSystem10FileExistsEPKc */
+
+	virtual bool IsDirectory(const char *) = 0; /* linkage=_ZN11IFileSystem11IsDirectoryEPKc */
+
+	virtual FileHandle_t Open(const char *, const char *, const char *) = 0; /* linkage=_ZN11IFileSystem4OpenEPKcS1_S1_ */
+
+	virtual void Close(FileHandle_t) = 0; /* linkage=_ZN11IFileSystem5CloseEPv */
+
+	virtual void Seek(FileHandle_t, int, FileSystemSeek_t) = 0; /* linkage=_ZN11IFileSystem4SeekEPvi16FileSystemSeek_t */
+
+	virtual unsigned int Tell(FileHandle_t) = 0; /* linkage=_ZN11IFileSystem4TellEPv */
+
+	virtual unsigned int Size(FileHandle_t) = 0; /* linkage=_ZN11IFileSystem4SizeEPv */
+
+	virtual unsigned int Size(const char *) = 0; /* linkage=_ZN11IFileSystem4SizeEPKc */
+
+	virtual long int GetFileTime(const char *) = 0; /* linkage=_ZN11IFileSystem11GetFileTimeEPKc */
+
+	virtual void FileTimeToString(char *, int, long int) = 0; /* linkage=_ZN11IFileSystem16FileTimeToStringEPcil */
+
+	virtual bool IsOk(FileHandle_t) = 0; /* linkage=_ZN11IFileSystem4IsOkEPv */
+
+	virtual void Flush(FileHandle_t) = 0; /* linkage=_ZN11IFileSystem5FlushEPv */
+
+	virtual bool EndOfFile(FileHandle_t) = 0; /* linkage=_ZN11IFileSystem9EndOfFileEPv */
+
+	virtual int Read(void *, int, FileHandle_t) = 0; /* linkage=_ZN11IFileSystem4ReadEPviS0_ */
+
+	virtual int Write(const void *, int, FileHandle_t) = 0; /* linkage=_ZN11IFileSystem5WriteEPKviPv */
+
+	virtual char * ReadLine(char *, int, FileHandle_t) = 0; /* linkage=_ZN11IFileSystem8ReadLineEPciPv */
+
+	virtual int FPrintf(FileHandle_t, char *, ...) = 0; /* linkage=_ZN11IFileSystem7FPrintfEPvPcz */
+
+	virtual void * GetReadBuffer(FileHandle_t, int *, bool) = 0; /* linkage=_ZN11IFileSystem13GetReadBufferEPvPib */
+
+	virtual void ReleaseReadBuffer(FileHandle_t, void *) = 0; /* linkage=_ZN11IFileSystem17ReleaseReadBufferEPvS0_ */
+
+	virtual const char * FindFirst(const char *, FileFindHandle_t *, const char *) = 0; /* linkage=_ZN11IFileSystem9FindFirstEPKcPiS1_ */
+
+	virtual const char * FindNext(FileFindHandle_t) = 0; /* linkage=_ZN11IFileSystem8FindNextEi */
+
+	virtual bool FindIsDirectory(FileFindHandle_t) = 0; /* linkage=_ZN11IFileSystem15FindIsDirectoryEi */
+
+	virtual void FindClose(FileFindHandle_t) = 0; /* linkage=_ZN11IFileSystem9FindCloseEi */
+
+	virtual void GetLocalCopy(const char *) = 0; /* linkage=_ZN11IFileSystem12GetLocalCopyEPKc */
+
+	virtual const char * GetLocalPath(const char *, char *, int) = 0; /* linkage=_ZN11IFileSystem12GetLocalPathEPKcPci */
+
+	virtual char * ParseFile(char *, char *, bool *) = 0; /* linkage=_ZN11IFileSystem9ParseFileEPcS0_Pb */
+
+	virtual bool FullPathToRelativePath(const char *, char *) = 0; /* linkage=_ZN11IFileSystem22FullPathToRelativePathEPKcPc */
+
+	virtual bool GetCurrentDirectory(char *, int) = 0; /* linkage=_ZN11IFileSystem19GetCurrentDirectoryEPci */
+
+	virtual void PrintOpenedFiles() = 0; /* linkage=_ZN11IFileSystem16PrintOpenedFilesEv */
+
+	virtual void SetWarningFunc(void (*)(const char *, ...)) = 0; /* linkage=_ZN11IFileSystem14SetWarningFuncEPFvPKczE */
+
+	virtual void SetWarningLevel(FileWarningLevel_t) = 0; /* linkage=_ZN11IFileSystem15SetWarningLevelE18FileWarningLevel_t */
+
+	virtual void LogLevelLoadStarted(const char *) = 0; /* linkage=_ZN11IFileSystem19LogLevelLoadStartedEPKc */
+
+	virtual void LogLevelLoadFinished(const char *) = 0; /* linkage=_ZN11IFileSystem20LogLevelLoadFinishedEPKc */
+
+	virtual int HintResourceNeed(const char *, int) = 0; /* linkage=_ZN11IFileSystem16HintResourceNeedEPKci */
+
+	virtual int PauseResourcePreloading() = 0; /* linkage=_ZN11IFileSystem23PauseResourcePreloadingEv */
+
+	virtual int ResumeResourcePreloading() = 0; /* linkage=_ZN11IFileSystem24ResumeResourcePreloadingEv */
+
+	virtual int SetVBuf(FileHandle_t, char *, int, long int) = 0; /* linkage=_ZN11IFileSystem7SetVBufEPvPcil */
+
+	virtual void GetInterfaceVersion(char *, int) = 0; /* linkage=_ZN11IFileSystem19GetInterfaceVersionEPci */
+
+	virtual bool IsFileImmediatelyAvailable(const char *) = 0; /* linkage=_ZN11IFileSystem26IsFileImmediatelyAvailableEPKc */
+
+	virtual WaitForResourcesHandle_t WaitForResources(const char *) = 0; /* linkage=_ZN11IFileSystem16WaitForResourcesEPKc */
+
+	virtual bool GetWaitForResourcesProgress(WaitForResourcesHandle_t, float *, bool *) = 0; /* linkage=_ZN11IFileSystem27GetWaitForResourcesProgressEiPfPb */
+
+	virtual void CancelWaitForResources(WaitForResourcesHandle_t) = 0; /* linkage=_ZN11IFileSystem22CancelWaitForResourcesEi */
+
+	virtual bool IsAppReadyForOfflinePlay(int) = 0; /* linkage=_ZN11IFileSystem24IsAppReadyForOfflinePlayEi */
+
+	virtual bool AddPackFile(const char *, const char *) = 0; /* linkage=_ZN11IFileSystem11AddPackFileEPKcS1_ */
+
+	virtual FileHandle_t OpenFromCacheForRead(const char *, const char *, const char *) = 0; /* linkage=_ZN11IFileSystem20OpenFromCacheForReadEPKcS1_S1_ */
+
+	virtual void AddSearchPathNoWrite(const char *, const char *) = 0; /* linkage=_ZN11IFileSystem20AddSearchPathNoWriteEPKcS1_ */
+};
+
+#endif // VFILESYSTEM009_H