Hello Dave, Dave Korn wrote: > The headers are part of the base cygwin package; do you have the same > version as me? >> /win/t $ cygcheck -f /usr/include/ieeefp.h > cygwin-1.5.23-2 It seems so: $ cygcheck -f /usr/include/ieeefp.h cygwin-1.5.23-2 -- Best Regards Kovarththanan Rajaratnam -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/