@node inet6_opt_next @subsection @code{inet6_opt_next} @findex inet6_opt_next Gnulib module: --- Portability problems fixed by Gnulib: @itemize @end itemize Portability problems not fixed by Gnulib: @itemize @item This function is missing on many non-glibc platforms: glibc 2.4, Mac OS X 10.5, NetBSD 3.0, OpenBSD 3.8, Minix 3.1.8, AIX 5.2, HP-UX 11.31, IRIX 6.5, Solaris 9, Cygwin 2.9, mingw, MSVC 14, Android 9.0. @end itemize