@itemize
@item
This function is missing on some platforms:
-AIX 5.1, HP-UX 11, IRIX 6.5, Solaris 10.
+AIX 5.1, HP-UX 11, IRIX 6.5, Solaris 11 2010-11.
@item
One some systems (at least including Cygwin, Interix, OSF/1 4 and 5,
and Mac OS X) linking with @code{-lutil} is not required.