@itemize
@item
This function is missing on some platforms:
-OpenBSD 3.8, AIX 5.1, HP-UX 11, IRIX 6.5, OSF/1 5.1, Solaris 9, Cygwin
-1.5.x, Interix 3.5.
+OpenBSD 3.8, Minix 3.1.8, AIX 5.1, HP-UX 11.11, IRIX 6.5, OSF/1 5.1, Solaris 9,
+Cygwin 1.5.x, MSVC 9, Interix 3.5.
@item
On AIX and Windows platforms, @code{wchar_t} is a 16-bit type and therefore cannot
accommodate all Unicode characters.