/* FUNCTION <>, <>---uppercase wide character test INDEX iswupper INDEX iswupper_l SYNOPSIS #include int iswupper(wint_t <[c]>); #include int iswupper_l(wint_t <[c]>, locale_t <[locale]>); DESCRIPTION <> is a function which classifies wide-character values that are categorized as uppercase. <> is like <> but performs the check based on the locale specified by the locale object locale. If <[locale]> is LC_GLOBAL_LOCALE or not a valid locale object, the behaviour is undefined. RETURNS <>, <> return non-zero if <[c]> is an uppercase wide character. PORTABILITY <> is C99. <> is POSIX-1.2008. No supporting OS subroutines are required. */ #include <_ansi.h> #include int iswupper (wint_t c) { return iswupper_l (c, 0); }