M_LEADINGSPACE
if (M_LEADINGSPACE(m0) < space) {
space, M_LEADINGSPACE(m0), m0->m_flags, m0->m_len);
if (M_LEADINGSPACE(m0) < space) {
space, M_LEADINGSPACE(m0), m0->m_flags, m0->m_len);
if (M_LEADINGSPACE(_mm) >= _mplen) { \
if ((off == 0 || offp) && M_LEADINGSPACE(n->m_next) >= hlen
KASSERT(M_LEADINGSPACE(m) >= hdrlen,
("leading space %zd", M_LEADINGSPACE(m)));
if (M_LEADINGSPACE(m) < needed_space - TO_BE_RECLAIMED) {
KASSERT(M_LEADINGSPACE(m) >= sizeof(struct ieee80211_frame),
("leading space %zd", M_LEADINGSPACE(m)));