mld_cksum 185 netinet/icmp6.h #define mld6_cksum mld_cksum mld_cksum 427 netinet6/mld6.c mldh->mld_cksum = 0; mld_cksum 434 netinet6/mld6.c mldh->mld_cksum = in6_cksum(mh, IPPROTO_ICMPV6, sizeof(struct ip6_hdr),