jisx0213_to_ucs4
wc = jisx0213_to_ucs4(0x200-0x80+c2,c3^0x80);
wc = jisx0213_to_ucs4(0x100-0x80+c,c2^0x80);
ucs4_t wc = jisx0213_to_ucs4(((state-STATE_JISX02131+1)<<8)+s[0],s[1]);
wc = jisx0213_to_ucs4(0x121+c1,c2);