@node fwide
@subsection @code{fwide}
@findex fwide

POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9799919799/functions/fwide.html}

Gnulib module: ---

Portability problems fixed by Gnulib:
@itemize
@end itemize

Portability problems not fixed by Gnulib:
@itemize
@item
This function is missing on some platforms:
Minix 3.1.8, HP-UX 11.00, Cygwin 1.5.x, MSVC 14.
@item
On Windows and 32-bit AIX platforms, @code{wchar_t} is a 16-bit type and therefore cannot
accommodate all Unicode characters.
@item
@code{fwide} is not guaranteed to be able to change a file stream's mode
to a different mode than the current one.
@end itemize
