5
POSIX specification: @url{http://www.opengroup.org/susv3xsh/fwide.html}
9
Portability problems fixed by Gnulib:
13
Portability problems not fixed by Gnulib:
16
This function is missing on some platforms:
17
HP-UX 11, IRIX 6.5, Solaris 2.6, Cygwin, Interix 3.5, BeOS.
19
On Windows platforms, @code{wchar_t} is a 16-bit type and therefore cannot
20
accommodate all Unicode characters.
22
@code{fwide} is not guaranteed to be able to change a file stream's mode
23
to a different mode than the current one.