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@node wctype
@section @code{wctype}
@findex wctype

POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/wctype.html}

Gnulib module: wctype

Portability problems fixed by Gnulib:
@itemize
@item
This function is missing on some platforms:
Minix 3.1.8, IRIX 5.3, Solaris 2.5.1, MSVC 9.
@item
This function is declared in @code{<wchar.h>}, not in @code{<wctype.h>}, on
some platforms:
HP-UX 11.00.
@end itemize

Portability problems not fixed by Gnulib:
@itemize
@item
On AIX and Windows platforms, @code{wchar_t} is a 16-bit type and therefore cannot
accommodate all Unicode characters.
@end itemize