ip6_mroute_getsockopt  137 include/linux/mroute6.h extern int ip6_mroute_getsockopt(struct sock *, int, char __user *, int __user *);
ip6_mroute_getsockopt  856 net/ipv6/ipv6_sockglue.c 		return ip6_mroute_getsockopt(sk, optname, optval, optlen);