@itemize
@item
This function is missing on some platforms:
-AIX 5.1, HP-UX 11, IRIX 6.5, OSF/1 4.0, Cygwin 1.5.x, mingw, Interix 3.5, BeOS.
+Minix 3.1.8, AIX 5.1, HP-UX 11.11, IRIX 6.5, OSF/1 4.0, Cygwin 1.5.x, mingw, MSVC 9, Interix 3.5, BeOS.
@end itemize