@section @code{readlinkat}
@findex readlinkat
-POSIX specification: @url{http://www.opengroup.org/onlinepubs/9699919799/functions/readlinkat.html}
+POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/readlinkat.html}
Gnulib module: readlinkat
@itemize
@item
This function is missing on some platforms:
-glibc 2.3.6, MacOS X 10.3, FreeBSD 6.0, NetBSD 3.0, OpenBSD 3.8, AIX
-5.1, HP-UX 11, IRIX 6.5, OSF/1 5.1, Solaris 10, Cygwin 1.5.x, mingw, Interix 3.5, BeOS.
+glibc 2.3.6, 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, OSF/1 5.1, Solaris 10, Cygwin 1.5.x, mingw, MSVC 9, Interix 3.5, BeOS.
+But the replacement function is not safe to be used in libraries and is not multithread-safe.
@end itemize
Portability problems not fixed by Gnulib:
@itemize
@item
This function always fails on platforms that don't support symlinks:
-mingw
+mingw, MSVC 9.
@item
When @code{readlink} is called on a directory: In the case of NFS mounted
directories, Cygwin sets @code{errno} to @code{ENOENT} or @code{EIO} instead of