inet6_register_icmp_sender 20 include/linux/icmpv6.h extern int inet6_register_icmp_sender(ip6_icmp_send_t *fn); inet6_register_icmp_sender 1031 net/ipv6/icmp.c err = inet6_register_icmp_sender(icmp6_send); inet6_register_icmp_sender 19 net/ipv6/ip6_icmp.c EXPORT_SYMBOL(inet6_register_icmp_sender);