Symbol: m_makewritable
sys/kern/uipc_mbuf.c
1512
m_makewritable(struct mbuf **mp, int off, int len, int how)
sys/net/npf/npf_mbuf.c
60
#define m_makewritable(m,o,l,f) (nbuf)->nb_mops->ensure_writable((m), (o+l))