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static int
ucs2internal_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
{
if (n >= 2) {
unsigned short x = *(const unsigned short *)s;
if (x >= 0xd800 && x < 0xe000) {
return RET_ILSEQ;
} else {
*pwc = x;
return 2;
}
}
return RET_TOOFEW(0);
}
static int
ucs2internal_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
{
if (wc < 0x10000 && !(wc >= 0xd800 && wc < 0xe000)) {
if (n >= 2) {
*(unsigned short *)r = wc;
return 2;
} else
return RET_TOOSMALL;
} else
return RET_ILUNI;
}
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