> Date: Sun, 05 Jul 2009 14:48:14 -0600 > From: Theo de Raadt <dera...@cvs.openbsd.org> > > > > If i understand correctly, headers using types from <sys/types.h> > > > ought to include <sys/types.h> > > > - unconditionally, if they are POSIX headers and the use of the > > > type is mandated by POSIX > > > - protected by __BSD_VISIBLE or the appropriate feature macro > > > like __XPG_VISIBLE, if they are POSIX headers and if the use > > > is not mandated by POSIX, but by a lesser standard > > > - protected by __BSD_VISIBLE only, if they are POSIX headers and > > > if the use is not mandated by a standard > > > - unconditionally, if they are not POSIX headers > > > > You have the latter case wrong. We tend to not include header files > > in other header files, unless mandated by some standard. > > > > So I think the man pages should be amended to #include <sys/types.h>. > > Mark is correct. It is simply a documentation error. > > If we went the other way around, people would be able to include less > files; indeed, almost be careless about what they include. But this > would not increase portability in any way. And 'make build' would > probably, if it was taken the nth degree, take twice as long.
Or worse, you end up with circular dependencies.
