in @code{<libutil.h>} on FreeBSD 6.0, Haiku, and not declared at all
on OSF/1 5.1, Interix 3.5. Also note that @code{<sys/types.h>} is
a prerequisite of @code{<utmp.h>} on FreeBSD 8.0, OpenBSD 4.6 and
in @code{<libutil.h>} on FreeBSD 6.0, Haiku, and not declared at all
on OSF/1 5.1, Interix 3.5. Also note that @code{<sys/types.h>} is
a prerequisite of @code{<utmp.h>} on FreeBSD 8.0, OpenBSD 4.6 and