--- /dev/null
+/* -----------------------------------------------------------------------------
+ *
+ * (c) The GHC Team, 1998-2008
+ *
+ * RTS-specific types.
+ *
+ * ---------------------------------------------------------------------------*/
+
+/* -------------------------------------------------------------------------
+ Generally useful typedefs
+ ------------------------------------------------------------------------- */
+
+#ifndef RTS_TYPES_H
+#define RTS_TYPES_H
+
+typedef unsigned int nat; /* at least 32 bits (like int) */
+typedef unsigned long lnat; /* at least 32 bits */
+#ifndef _MSC_VER
+typedef unsigned long long ullong; /* at least 32 bits */
+typedef long long llong;
+#else
+typedef unsigned __int64 ullong; /* at least 32 bits */
+typedef __int64 llong;
+#endif
+
+/* ullong (64|128-bit) type: only include if needed (not ANSI) */
+#if defined(__GNUC__)
+#define LL(x) (x##LL)
+#else
+#define LL(x) (x##L)
+#endif
+
+typedef enum {
+ rtsFalse = 0,
+ rtsTrue
+} rtsBool;
+
+typedef struct StgClosure_ StgClosure;
+typedef struct StgInfoTable_ StgInfoTable;
+typedef struct StgTSO_ StgTSO;
+
+#endif /* RTS_TYPES_H */