link_PullPacket
extern void link_PullPacket(struct link *, char *, size_t, struct bundle *);
link_PullPacket(&mp->link, MBUF_CTOP(q), q->m_len, mp->bundle);
link_PullPacket(&p->link, rbuff, p->input.sz, bundle);
link_PullPacket(&p->link, rbuff, n, bundle);