@section @code{unlinkat}
@findex unlinkat
-POSIX specification: @url{http://www.opengroup.org/onlinepubs/9699919799/functions/unlinkat.html}
+POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/unlinkat.html}
Gnulib module: openat
@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
+glibc 2.3.6, MacOS X 10.5, FreeBSD 6.0, NetBSD 5.0, OpenBSD 3.8, AIX
5.1, HP-UX 11, IRIX 6.5, OSF/1 5.1, Cygwin 1.5.x, mingw, Interix 3.5, BeOS.
But the replacement function is not safe to be used in libraries and is not multithread-safe.
@item
Some systems mistakenly succeed on @code{unlinkat(fd,"file/",flag)}:
-Solaris 9.
+GNU/Hurd, Solaris 9.
+@item
+Some platforms declare this function in @code{fcntl.h} instead of
+@code{unistd.h}:
+Cygwin 1.7.1.
@end itemize
Portability problems not fixed by Gnulib: