2 @subsection @code{svc_fdset}
7 Portability problems fixed by Gnulib:
11 Portability problems not fixed by Gnulib:
14 This variable is missing on some platforms:
15 Minix 3.1.8, AIX 5.1, HP-UX 11, IRIX 6.5, OSF/1 5.1, Cygwin, mingw, MSVC 14, BeOS, Android 9.0.