@itemize
@item
This header file is missing on some platforms:
-mingw.
+mingw, MSVC 9.
@item
This header file does not declare the @code{ioctl} function on some platforms:
-AIX 5.1, Solaris 10.
+AIX 5.1, Solaris 11 2011-11.
@end itemize
Portability problems not fixed by Gnulib: