preplen           283 netinet6/icmp6.c 	u_int preplen;
preplen           372 netinet6/icmp6.c 	preplen = sizeof(struct ip6_hdr) + sizeof(struct icmp6_hdr);
preplen           373 netinet6/icmp6.c 	M_PREPEND(m, preplen, M_DONTWAIT);
preplen           374 netinet6/icmp6.c 	if (m && m->m_len < preplen)
preplen           375 netinet6/icmp6.c 		m = m_pullup(m, preplen);