2 @subsection @code{fputc_unlocked}
9 @ref{Simple Output,,Simple Output by Characters or Lines,libc},
12 @url{https://www.gnu.org/software/libc/manual/html_node/Simple-Output.html},
15 @uref{https://www.kernel.org/doc/man-pages/online/pages/man3/fputc_unlocked.3.html,,man fputc_unlocked}.
20 Portability problems fixed by Gnulib:
24 Portability problems not fixed by Gnulib:
27 This function is missing on some platforms:
28 Mac OS X 10.5, FreeBSD 6.0, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, AIX 5.1, HP-UX 11, IRIX 6.5, Solaris 11.4, Cygwin, mingw, MSVC 14, Android 8.1.