@subsection @code{login_tty}
@findex login_tty
-Gnulib module: ---
+Gnulib module: login_tty
Portability problems fixed by Gnulib:
@itemize
+@item
+This function is missing on some platforms:
+Minix 3.1.8, AIX 5.1, HP-UX 11, IRIX 6.5, Solaris 11 2011-11.
+@item
+This function requires linking with @code{-lutil} on some platforms:
+glibc 2.3.6, FreeBSD 6.0, NetBSD 5.0, OpenBSD 3.8.
+It is available without link options on other platforms:
+MacOS X 10.5, OSF/1 5.1, Cygwin, Interix 3.5.
@end itemize
Portability problems not fixed by Gnulib:
@itemize
@item
This function is missing on some platforms:
-AIX 5.1, HP-UX 11, IRIX 6.5, Solaris 10, mingw.
-@item
-This function requires linking with @code{-lutil} on some platforms:
-glibc 2.3.6, FreeBSD 6.0, NetBSD 3.0, OpenBSD 3.8.
-It is available without link options on other platforms:
-MacOS X 10.3, OSF/1 5.1, Cygwin, Interix 3.5.
+mingw, MSVC 9.
@item
This function is declared in @code{<utmp.h>} on glibc, Cygwin,
-in @code{<util.h>} on MacOS X 10.3, NetBSD 3.0, OpenBSD 3.8,
+in @code{<util.h>} on MacOS X 10.5, NetBSD 5.0, OpenBSD 3.8,
in @code{<libutil.h>} on FreeBSD 6.0, Haiku, and not declared at all
-on OSF/1 5.1, Interix 3.5.
+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
+of @code{<libutil.h>} on FreeBSD 8.0.
@end itemize