cc004.hs:2:
    Cannot generalise these overloadings (in a _ccall_):
	`PrelGHC.CReturnable aMl' arising from the result of the _ccall_ to f, at cc004.hs:18
 
cc004.hs:2:
    Cannot generalise these overloadings (in a _ccall_):
	`PrelGHC.CReturnable aNp' arising from the result of the _ccall_ to f, at cc004.hs:11


Compilation had errors