login_tty
---------

Gnulib module: login_tty

Portability problems fixed by Gnulib:

  * This function is missing on some platforms: Minix 3.1.8, AIX 5.1, HP-UX 11, IRIX 6.5, Solaris 11 2011-11.

  * This function requires linking with -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.

Portability problems not fixed by Gnulib:

  * This function is missing on some platforms: mingw, MSVC 9.

  * This function is declared in <utmp.h> on glibc, Cygwin, in <util.h> on MacOS X 10.5, NetBSD 5.0, OpenBSD 3.8, in <libutil.h> on FreeBSD 6.0, Haiku, and not declared at all on OSF/1 5.1, Interix 3.5.  Also note that <sys/types.h> is a prerequisite of <utmp.h> on FreeBSD 8.0, OpenBSD 4.6 and of <libutil.h> on FreeBSD 8.0.