2 @subsection @code{semtimedop}
9 @ref{Semaphores,,Semaphores,libc},
12 @url{https://www.gnu.org/software/libc/manual/html_node/Semaphores.html},
15 @uref{https://www.kernel.org/doc/man-pages/online/pages/man2/semtimedop.2.html,,man semtimedop}.
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 10.13, FreeBSD 6.0, NetBSD 9.0, OpenBSD 6.7, Minix 3.1.8, AIX 5.1, HP-UX 11.11, IRIX 6.5, Cygwin 2.9, mingw, MSVC 14, Android 7.1.