convert_utf8_to_ucs4
convert_utf8_to_ucs4(str, len, &unicode);
extern int convert_utf8_to_ucs4(uchar_t *, int, unsigned int *);
convert_utf8_to_ucs4((uchar_t*)(&st->keepc[0]), utf8_len, &ucs);
convert_utf8_to_ucs4((uchar_t*)(&st->keepc[0]), utf8_len, &ucs);
convert_utf8_to_ucs4((uchar_t*)(&st->keepc[0]), utf8_len, &ucs);
convert_utf8_to_ucs4((uchar_t*)(&st->keepc[0]), utf8_len, &ucs);
convert_utf8_to_ucs4((uchar_t*)(&st->keepc[0]), utf8_len, &ucs);
convert_utf8_to_ucs4((uchar_t*)(&st->keepc[0]), utf8_len, &ucs);
convert_utf8_to_ucs4((uchar_t*)(&st->keepc[0]), utf8_len, &ucs);
convert_utf8_to_ucs4((uchar_t*)(&st->keepc[0]), utf8_len, &ucs);
convert_utf8_to_ucs4((uchar_t*)(&st->keepc[0]), utf8_len, &ucs);