taglinefilesource code
skb_append111include/linux/skbuff.hextern void      skb_append(struct sk_buff *old,struct sk_buff *newsk);
skb_append3234net/inet/tcp.cskb_append(wskb,skb);
skb_append3924net/inet/tcp.cskb_append(skb1,skb);
skb_append3938net/inet/tcp.cskb_append(skb1,skb);