trail            1093 netinet/ip_ipsp.c 	int ipv4sa = 0, s, esphlen = 0, trail = 0, i;
trail            1239 netinet/ip_ipsp.c 				trail += AH_HMAC_HASHLEN;
trail            1244 netinet/ip_ipsp.c 			m_copydata(m, m->m_pkthdr.len - trail - 8, 8,