Provided by: manpages-pt-dev_20040726-4_all towupper - convert a
wide character to uppercase wint_t towupper (wint_t wc); 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. The towupper
function returns the uppercase equivalent of wc, or WEOF if wc
is WEOF. ISO/ANSI C, UNIX98 towlower(3), towctrans(3),
iswupper(3) The behaviour of towupper depends on the LC_CTYPE
category of the This function is not very appropriate for
dealing with Unicode characters, because Unicode knows about
three cases: upper, lower and