- getcwd if necessary. Some systems lack fchdir altogether: OS/2,
- Cygwin (as of March 2003), SCO Xenix. At least SunOS 4 and Irix 5.3
- provide the function, yet it doesn't work for partitions on which
- auditing is enabled. */
+ getcwd if necessary.
+
+ Some systems lack fchdir altogether: e.g., OS/2, pre-2001 Cygwin,
+ SCO Xenix. Also, SunOS 4 and Irix 5.3 provide the function, yet it
+ doesn't work for partitions on which auditing is enabled. If
+ you're still using an obsolete system with these problems, please
+ send email to the maintainer of this code. */