mr_vif_seq_idx    432 include/linux/mroute_base.h static inline void *mr_vif_seq_idx(struct net *net, struct mr_vif_iter *iter,
mr_vif_seq_idx    114 net/ipv4/ipmr_base.c void *mr_vif_seq_idx(struct net *net, struct mr_vif_iter *iter, loff_t pos)