prelude.md

@@ -69,6 +69,16 @@ undefined, error, (%), concatMap
 [Derived instances](derived-instances) use the classes `Eq`, `Ord`, `Enum`, `Bounded`, `Show` and `Read`, which refer to `Ordering`, `Int`, `ShowS` and `ReadS`.
 
 
+
+The [ForeignFunctionInterface](foreign-function-interface) uses
+
+
+```wiki
+Char, Int, Double, Float, Bool,
+Int8, Int16, Int32, Int64, Word8, Word16, Word32, Word64,
+Ptr, FunPtr, StablePtr
+```
+
 ### Re-exports