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    "sjis0213_to_utf16be",
    "sjis0213_to_utf32le",
    "sjis0213_to_utf32be",
};

static char* funcname_fm[2 * NUM_fromUTF] = {
    "unicode_to_sjis2004",
       "utf8_to_sjis2004",
    "utf16le_to_sjis2004",
    "utf16be_to_sjis2004",
    "utf32le_to_sjis2004",
    "utf32be_to_sjis2004",
      "utf16_to_sjis2004",
      "utf32_to_sjis2004",
    "unicode_to_sjis0213",
       "utf8_to_sjis0213",
    "utf16le_to_sjis0213",
    "utf16be_to_sjis0213",
    "utf32le_to_sjis0213",
    "utf32be_to_sjis0213",
      "utf16_to_sjis0213",
      "utf32_to_sjis0213",
};

static STRLEN maxlen_to[NUM_toUTF] = {
    MaxLenToUni,
    MaxLenToU8,
    MaxLenToU16,
    MaxLenToU16,
    MaxLenToU32,
    MaxLenToU32,
};

static STRLEN maxlen_fm[NUM_fromUTF] = {
    MaxLenFmUni,
    MaxLenFmU8,
    MaxLenFmU16,
    MaxLenFmU16,
    MaxLenFmU32,
    MaxLenFmU32,
    MaxLenFmU16,
    MaxLenFmU32,
};

static U8* (*app_uv_in[NUM_toUTF])(U8*, UV) = {
    NULL,
    app_in_utf8,
    app_in_utf16le,
    app_in_utf16be,
    app_in_utf32le,
    app_in_utf32be,
};

static UV (*ord_uv_in[NUM_fromUTF])(U8 *, STRLEN, STRLEN *) = {
    NULL,
    ord_in_utf8,
    ord_in_utf16le,
    ord_in_utf16be,
    ord_in_utf32le,
    ord_in_utf32be,
    ord_in_utf16be, /* w/o BOM*/
    ord_in_utf32be, /* w/o BOM*/
};

MODULE = ShiftJIS::X0213::MapUTF	PACKAGE = ShiftJIS::X0213::MapUTF

PROTOTYPES: DISABLE

void
sjis2004_to_unicode (...)
  ALIAS:
    sjis2004_to_utf8    = 1
    sjis2004_to_utf16le = 2
    sjis2004_to_utf16be = 3
    sjis2004_to_utf32le = 4
    sjis2004_to_utf32be = 5
    sjis0213_to_unicode = 6
    sjis0213_to_utf8    = 7
    sjis0213_to_utf16le = 8
    sjis0213_to_utf16be = 9
    sjis0213_to_utf32le = 10
    sjis0213_to_utf32be = 11
  PREINIT:
    SV *src, *dst, *cvref;
    STRLEN srclen, dstlen, mblen, ulen;
    U8 *s, *e, *p, *d, uni[UTF8_MAXLEN + 1];
    UV uv, u_temp;
    struct leading lb;
    U8* (*app_uv)(U8*, UV);
    int  id_utf, use2004;
  PPCODE:
    use2004 = ix < NUM_toUTF;
    id_utf  = ix % NUM_toUTF;

    STMT_ASSIGN_CVREF_AND_SRC(funcname_to[ix])
    if (SvUTF8(src)) {
	src = sv_mortalcopy(src);
	sv_utf8_downgrade(src, 0);
    }
    STMT_ASSIGN_LENDST(maxlen_to[id_utf])
    if (id_utf == 0)
	SvUTF8_on(dst);

    app_uv = app_uv_in[id_utf];

    if (cvref) {
	for (p = s; p < e; p += mblen) {
	    STMT_GET_MBLEN
	    if (!mblen) {
		sv_cat_retcvref(dst, cvref, newSVuv((UV)*p), TRUE);
		p++;
		continue;
	    }
	    STMT_GET_UV_FROM_MB

	    if (uv || !*p) {
		if (Is_VALID_UTF(uv)) {
		    ulen = id_utf ? app_uv(uni, uv) - uni
				  : uvuni_to_utf8(uni, uv) - uni;
		    sv_catpvn(dst, (char*)uni, ulen);
		}
		else {