2 @subsection @code{in6addr_loopback}
3 @findex in6addr_loopback
7 @ref{Host Address Data Type,,Host Address Data Type,libc}.
10 @url{https://www.gnu.org/software/libc/manual/html_node/Host-Address-Data-Type.html}.
15 Portability problems fixed by Gnulib:
19 Portability problems not fixed by Gnulib:
22 This constant is missing on some platforms:
23 Mac OS X 10.5, Minix 3.1.8, HP-UX 11.00, IRIX 6.5, Cygwin 1.5.x, mingw, MSVC 14, Android 6.0.