sendto(st->fd,sa,buf->size+8,0,(struct sockaddr *)&st->proxy,
sizeof(st->proxy));
} else {
sendto(st->fd, buf->start, buf->size, 0,
sendto(st->fd,sa,buf->size+8,0,(struct sockaddr *)&st->proxy,
sizeof(st->proxy));
} else {
sendto(st->fd, buf->start, buf->size, 0,