iso_cns_to_utf
n = iso_cns_to_utf(st, *outbuf, *outbytesleft);
if ((n = iso_cns_to_utf(st, \
if ((n = iso_cns_to_utf(st, \
int iso_cns_to_utf(_iconv_st * st, char* buf, size_t buflen);
int iso_cns_to_utf(_iconv_st * st, char* buf, size_t buflen);