@itemize
@item
This header file is missing on some platforms:
-Minix 3.1.8, HP-UX 11, Solaris 11 2010-11, mingw, BeOS.
+Minix 3.1.8, HP-UX 11, Solaris 11 2010-11, mingw, MSVC 9, BeOS.
@item
The set of @code{_PATH_*} macros is platform dependent.
@end itemize