ip6_find_1stfragopt 462 include/net/ipv6.h extern int ip6_find_1stfragopt(struct sk_buff *skb, u8 **nexthdr); ip6_find_1stfragopt 635 net/ipv6/ip6_output.c hlen = ip6_find_1stfragopt(skb, &prevhdr); ip6_find_1stfragopt 25 net/ipv6/xfrm6_output.c return ip6_find_1stfragopt(skb, prevhdr);