m_pktdat
m_new->m_data = m_new->m_pktdat;
KASSERT(m->m_data == m->m_pktdat, ("mbuf %p: bad m_data in get", m));
m->m_data = m->m_pktdat;
n->m_data = n->m_pktdat + (m->m_data - m->m_pktdat);
m->m_data = m->m_pktdat;
if ((m->m_data - msiz) < m->m_pktdat) {
m->m_data = m->m_pktdat;
m->m_data = m->m_pktdat;
if (m->m_data - sizeof(struct ip) < m->m_pktdat)
mtemp->m_data == mtemp->m_pktdat &&
mtemp->m_data == mtemp->m_pktdat,
if (m->m_flags & M_EXT || m->m_data - optlen < m->m_pktdat) {
(m)->m_flags & M_PKTHDR ? (m)->m_data - (m)->m_pktdat : \