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.
Man(1) output converted with
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