iswupper
int iswupper(wint_t);
PROTO_NORMAL(iswupper);
DEF_STRONG(iswupper);
if (iswupper(c))
if (iswupper(*cp))
if (iswupper(*cp))
if (iswupper(c))
check_bool(isupper(s[j]), iswupper(c), 'a');
check_bool(isupper(i), iswupper(i), 'a');
if ((ops & CVT_TO_LC) && iswupper(ch))
} else if (iswupper(ch))