KICONV_UCS_COMBINE
dp->convtype |= KICONV_UCS_COMBINE;
if (dp->convtype & KICONV_UCS_COMBINE) {
} else if (dp->convtype & KICONV_UCS_COMBINE && dp->f_ctp) {
} else if (dp->convtype & KICONV_UCS_COMBINE && dp->t_ctp) {