M_READONLY
if (M_READONLY(m)) {
if (M_READONLY(m))
if (M_READONLY(m))
KASSERT(len >= 0 && !M_READONLY(m));
if (M_READONLY(m) || n->m_len > m_trailingspace(m)) {
if (!M_READONLY(m0) && len <= tail - head) {
sharedcluster = M_READONLY(n);
if (M_READONLY(m)) {
while (mi != NULL && !M_READONLY(mi))
while (mi != NULL && !M_READONLY(mi))
while (mi != NULL && !M_READONLY(mi))