+#else /* __NHC__ */
+
+import NHC.FFI
+ ( CChar(..), CSChar(..), CUChar(..)
+ , CShort(..), CUShort(..), CInt(..), CUInt(..)
+ , CLong(..), CULong(..), CLLong(..), CULLong(..)
+ , CPtrdiff(..), CSize(..), CWchar(..), CSigAtomic(..)
+ , CClock(..), CTime(..)
+ , CFloat(..), CDouble(..), CLDouble(..)
+ , CFile, CFpos, CJmpBuf
+ , Storable(..)
+ )
+import Data.Bits
+import NHC.SizedTypes
+
+#define INSTANCE_BITS(T) \
+instance Bits T where { \
+ (T x) .&. (T y) = T (x .&. y) ; \
+ (T x) .|. (T y) = T (x .|. y) ; \
+ (T x) `xor` (T y) = T (x `xor` y) ; \
+ complement (T x) = T (complement x) ; \
+ shift (T x) n = T (shift x n) ; \
+ rotate (T x) n = T (rotate x n) ; \
+ bit n = T (bit n) ; \
+ setBit (T x) n = T (setBit x n) ; \
+ clearBit (T x) n = T (clearBit x n) ; \
+ complementBit (T x) n = T (complementBit x n) ; \
+ testBit (T x) n = testBit x n ; \
+ bitSize (T x) = bitSize x ; \
+ isSigned (T x) = isSigned x }
+
+INSTANCE_BITS(CChar)
+INSTANCE_BITS(CSChar)
+INSTANCE_BITS(CUChar)
+INSTANCE_BITS(CShort)
+INSTANCE_BITS(CUShort)
+INSTANCE_BITS(CInt)
+INSTANCE_BITS(CUInt)
+INSTANCE_BITS(CLong)
+INSTANCE_BITS(CULong)
+INSTANCE_BITS(CLLong)
+INSTANCE_BITS(CULLong)
+INSTANCE_BITS(CPtrdiff)
+INSTANCE_BITS(CWchar)
+INSTANCE_BITS(CSigAtomic)
+INSTANCE_BITS(CSize)
+