--- /dev/null
+// Common/Types.h
+
+#ifndef __COMMON_TYPES_H
+#define __COMMON_TYPES_H
+
+#ifndef _7ZIP_BYTE_DEFINED
+#define _7ZIP_BYTE_DEFINED
+typedef unsigned char Byte;
+#endif
+
+#ifndef _7ZIP_INT16_DEFINED
+#define _7ZIP_INT16_DEFINED
+typedef short Int16;
+#endif
+
+#ifndef _7ZIP_UINT16_DEFINED
+#define _7ZIP_UINT16_DEFINED
+typedef unsigned short UInt16;
+#endif
+
+#ifndef _7ZIP_INT32_DEFINED
+#define _7ZIP_INT32_DEFINED
+typedef int Int32;
+#endif
+
+#ifndef _7ZIP_UINT32_DEFINED
+#define _7ZIP_UINT32_DEFINED
+typedef unsigned int UInt32;
+#endif
+
+#ifdef _MSC_VER
+
+#ifndef _7ZIP_INT64_DEFINED
+#define _7ZIP_INT64_DEFINED
+typedef __int64 Int64;
+#endif
+
+#ifndef _7ZIP_UINT64_DEFINED
+#define _7ZIP_UINT64_DEFINED
+typedef unsigned __int64 UInt64;
+#endif
+
+#else
+
+#ifndef _7ZIP_INT64_DEFINED
+#define _7ZIP_INT64_DEFINED
+typedef long long int Int64;
+#endif
+
+#ifndef _7ZIP_UINT64_DEFINED
+#define _7ZIP_UINT64_DEFINED
+typedef unsigned long long int UInt64;
+#endif
+
+#endif
+
+#endif