KICONV_LOWER
KICONV_LOWER | KICONV_UPPER);
if (lcase & KICONV_LOWER && ud != tolower(ud)) {
if (casetype == KICONV_LOWER && dp->ctype) {
&or, casetype & (KICONV_LOWER | KICONV_UPPER));
if (casetype == KICONV_LOWER && dp->t_ctp) {
if (casetype == KICONV_LOWER) {
&outp, &olen, KICONV_LOWER);