IO CInt results

1 files changed, 3 insertions, 2 deletions

diff --git a/lib/Numeric/GSL/Special/Lambert.hs b/lib/Numeric/GSL/Special/Lambert.hs
index ad5579f..18071fa 100644
--- a/lib/Numeric/GSL/Special/Lambert.hs
+++ b/lib/Numeric/GSL/Special/Lambert.hs
@@ -22,6 +22,7 @@ module Numeric.GSL.Special.Lambert(
 ) where
 
 import Foreign(Ptr)
+import Foreign.C.Types(CInt)
 import Numeric.GSL.Special.Internal
 
 -- | wrapper for int gsl_sf_lambert_W0_e(double x,gsl_sf_result* result);
@@ -29,7 +30,7 @@ import Numeric.GSL.Special.Internal
 --   <http://www.google.com/search?q=gsl_sf_lambert_W0_e&as_sitesearch=www.gnu.org/software/gsl/manual&btnI=Lucky>
 lambert_W0_e :: Double -> (Double,Double)
 lambert_W0_e x = createSFR "lambert_W0_e" $ gsl_sf_lambert_W0_e x
-foreign import ccall "lambert.h gsl_sf_lambert_W0_e" gsl_sf_lambert_W0_e :: Double -> Ptr Double -> IO(Int)
+foreign import ccall "lambert.h gsl_sf_lambert_W0_e" gsl_sf_lambert_W0_e :: Double -> Ptr () -> IO CInt
 
 -- | wrapper for double gsl_sf_lambert_W0(double x);
 --
@@ -43,7 +44,7 @@ foreign import ccall "lambert.h gsl_sf_lambert_W0" gsl_sf_lambert_W0 :: Double -
 --   <http://www.google.com/search?q=gsl_sf_lambert_Wm1_e&as_sitesearch=www.gnu.org/software/gsl/manual&btnI=Lucky>
 lambert_Wm1_e :: Double -> (Double,Double)
 lambert_Wm1_e x = createSFR "lambert_Wm1_e" $ gsl_sf_lambert_Wm1_e x
-foreign import ccall "lambert.h gsl_sf_lambert_Wm1_e" gsl_sf_lambert_Wm1_e :: Double -> Ptr Double -> IO(Int)
+foreign import ccall "lambert.h gsl_sf_lambert_Wm1_e" gsl_sf_lambert_Wm1_e :: Double -> Ptr () -> IO CInt
 
 -- | wrapper for double gsl_sf_lambert_Wm1(double x);
 --