On 12 February 2005 08:13, John Meacham wrote: > System.Posix.Types.CClock and > System.Posix.Types.CTime > seem to be missing instances for 'Integral' as they used to have. Yes, these aren't guaranteed to be integral types according to the C99 spec. See revision 1.22 of libraries/base/Foreign/C/Types.hs for details. Cheers, Simon