Symbol: m_extref
sys/kern/uipc_mbuf.c
1122
if (m_extref(m, n, wait) != 0) {
sys/kern/uipc_mbuf.c
139
static int m_extref(struct mbuf *, struct mbuf *, int);
sys/kern/uipc_mbuf.c
689
if (m_extref(m, n, wait) != 0)