@itemize
@item
This function is missing on some platforms:
-mingw, BeOS.
+mingw, MSVC 9, BeOS.
@item
This function does not allow for a NULL @samp{resolved} parameter on
some platforms:
This function fails to recognize non-directories followed @samp{..} on
some platforms:
cygwin.
+@item
+This function misbehaves on consecutive slashes on some platforms:
+AIX 7.
@end itemize
Portability problems not fixed by Gnulib: