m_split
n->m_next = m_split(m, len, wait);
m1 = m_split(m, 504, M_DONTWAIT);
n = m_split(m, mlen, M_DONTWAIT);
dlc->rd_txbuf = m_split(m, len, M_DONTWAIT);
t = m_split(m, hlen, M_NOWAIT);
t = m_split(m, mss, M_NOWAIT);
m_sig = m_split(m, sig_offset, M_DONTWAIT);
n->m_nextpkt = m_split(n, siz, M_WAIT);
new_chk->data = m_split(chk->data, (chk->send_size>>1), M_DONTWAIT);
if ((t = m_split(m, offset, M_DONTWAIT)) == NULL) {
t = m_split(m, hlen, M_NOWAIT);
t = m_split(m, mss, M_NOWAIT);
m = m_split(recm, slp->ns_reclen, waitflag);
struct mbuf *m_split(struct mbuf *,int, int);