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static int
tis620_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
{
unsigned char c = *s;
if (c < 0x80) {
*pwc = (ucs4_t) c;
return 1;
}
else if (c >= 0xa1 && c <= 0xfb && !(c >= 0xdb && c <= 0xde)) {
*pwc = (ucs4_t) (c + 0x0d60);
return 1;
}
return RET_ILSEQ;
}
static int
tis620_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
{
if (wc < 0x0080) {
*r = wc;
return 1;
}
else if (wc >= 0x0e01 && wc <= 0x0e5b && !(wc >= 0x0e3b && wc <= 0x0e3e)) {
*r = wc-0x0d60;
return 1;
}
return RET_ILUNI;
}
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