http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48851
--- Comment #5 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-05-03 16:02:21 UTC --- NULL seems to be just 0, ok for C++ maybe but broken for C. Thus this seems to be a OpenBSD header issue.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48851
--- Comment #5 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-05-03 16:02:21 UTC --- NULL seems to be just 0, ok for C++ maybe but broken for C. Thus this seems to be a OpenBSD header issue.