2 @subsection @code{login}
9 @ref{Logging In and Out,,Logging In and Out,libc},
12 @url{https://www.gnu.org/software/libc/manual/html_node/Logging-In-and-Out.html},
15 @uref{https://www.kernel.org/doc/man-pages/online/pages/man3/login.3.html,,man login}.
20 Portability problems fixed by Gnulib:
24 Portability problems not fixed by Gnulib:
27 This function is missing on many non-glibc platforms:
28 FreeBSD 6.0, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, AIX 7.1, HP-UX 11.31, IRIX 6.5, Solaris 11.4, mingw, MSVC 14, Android 9.0.