2 @subsection @code{swapon}
5 Documentation:@* @uref{https://www.kernel.org/doc/man-pages/online/pages/man2/swapon.2.html,,man swapon}
9 Portability problems fixed by Gnulib:
13 Portability problems not fixed by Gnulib:
16 This function is missing on some platforms:
17 OpenBSD 6.7, Minix 3.1.8, AIX 5.1, IRIX 6.5, Solaris 11.4, Cygwin 2.9, mingw, MSVC 14, Android 4.3.