towupper - convert a wide character to uppercase


SYNOPSIS

       #include <wctype.h>

       wint_t towupper (wint_t wc);


DESCRIPTION

       The  towupper function is the wide-character equivalent of
       the toupper function. If wc is a  wide  character,  it  is
       converted  to uppercase. Characters which do not have case
       are returned unchanged.  If wc is WEOF, WEOF is  returned.


RETURN VALUE

       The  towupper function returns the uppercase equivalent of
       wc, or WEOF if wc is WEOF.


CONFORMING TO

       ISO/ANSI C, UNIX98


SEE ALSO

       towlower(3), towctrans(3), iswupper(3)


NOTES

       The behaviour of towupper depends on the LC_CTYPE category
       of the current locale.

       This  function  is  not  very appropriate for dealing with
       Unicode characters,  because  Unicode  knows  about  three
       cases: upper, lower and title case.


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