utf8clen
s += utf8clen(s);
s += utf8clen(s);
len -= utf8clen(s);
s += utf8clen(s);
len -= utf8clen(s);
s += utf8clen(s);
ret += utf8clen(s);
ret += utf8clen(s);
s += utf8clen(s);
ret += utf8clen(s);
ret += utf8clen(s);
len -= utf8clen(s);
s += utf8clen(s);
u8c->len -= utf8clen(u8c->s);
u8c->p = u8c->s + utf8clen(u8c->s);
u8c->len -= utf8clen(u8c->s);
u8c->s += utf8clen(u8c->s);
u8c->len -= utf8clen(u8c->s);
u8c->s += utf8clen(u8c->s);
ret += utf8clen(s);
ret += utf8clen(s);
len -= utf8clen(s);
s += utf8clen(s);
u8c->len -= utf8clen(u8c->s);
u8c->p = u8c->s + utf8clen(u8c->s);
u8c->len -= utf8clen(u8c->s);
u8c->s += utf8clen(u8c->s);
u8c->len -= utf8clen(u8c->s);
u8c->s += utf8clen(u8c->s);