convert a wide character to uppercase NAME towupper, towupper_l - convert a wide character to uppercase LIBRARY Standard C library ( libc , -...convert a wide character to uppercase NAME towupper, towupper_l - convert a wide character to uppercase LIBRARY Standard C library ( libc , -......The wide-character class "upper" contains at least those characters wc which are equal to towupper(wc) and different from towlower(wc) . The wide-character class "upper" always …...wctrans () depends on the LC_CTYPE category of the current locale. SEE ALSO towlower (3), towupper (3), wctrans (3)...ted to by s1 and the wide-character string pointed to by s2 , ignoring case differences ( towupper (3), towlower (3)). RETURN VALUE The wcscasecmp () function returns zero if th…...ed to by s2 , but at most n wide characters from each string, ignoring case differences ( towupper (3), towlower (3)). RETURN VALUE The wcsncasecmp () function returns zero if t…...ws about three cases: upper, lower, and title case. SEE ALSO iswlower (3), towctrans (3), towupper (3), locale (7)...ws about three cases: upper, lower, and title case. SEE ALSO iswlower (3), towctrans (3), towupper (3), locale (7)...contains at least those characters wc which are equal to towlower(wc) and different from towupper(wc) . The wide-character class "lower" always contains at least the letters 'a'…...sharp s is one example. SEE ALSO isalpha (3), newlocale (3), setlocale (3), towlower (3), towupper (3), uselocale (3), locale (7)...sharp s is one example. SEE ALSO isalpha (3), newlocale (3), setlocale (3), towlower (3), towupper (3), uselocale (3), locale (7)...sharp s is one example. SEE ALSO isalpha (3), newlocale (3), setlocale (3), towlower (3), towupper (3), uselocale (3), locale (7)...sharp s is one example. SEE ALSO isalpha (3), newlocale (3), setlocale (3), towlower (3), towupper (3), uselocale (3), locale (7)