+#ifndef uint8_t
+#define uint8_t unsigned char
+#endif
+
+#ifndef int8_t
+#define int8_t signed char
+#endif
+
+#ifndef uint16_t
+#define uint16_t unsigned short
+#endif
+
+#ifndef int16_t
+#define int16_t signed short
+#endif
+
+#ifndef uint32_t
+#define uint32_t unsigned int
+#endif
+
+#ifndef int32_t
+#define int32_t signed int
+#endif
+
+#ifdef _MSC_EXTENSIONS
+
+#ifndef uint64_t
+#define uint64_t unsigned _int64
+#endif
+
+#ifndef int64_t
+#define int64_t _int64
+#endif
+
+#ifndef PRId64
+#define PRId64 "I64d"
+#endif
+
+#ifndef PRIo64
+#define PRIo64 "I64o"
+#endif
+
+#ifndef PRIu64
+#define PRIu64 "I64u"
+#endif
+
+#ifndef PRIx64
+#define PRIx64 "I64x"