taglinefilesource code
send_head281net/inet/af_inet.cfor(skb = sk->send_head; skb != NULL; )
send_head299net/inet/af_inet.csk->send_head = NULL;
send_head614net/inet/af_inet.csk->send_head = NULL;
send_head1739net/inet/ip.cif (sk->send_head == NULL) 
send_head1742net/inet/ip.csk->send_head = skb;
send_head1804net/inet/ip.cskb = sk->send_head;
send_head596net/inet/ipx.csk->send_head=NULL;
send_head92net/inet/sock.hstruct sk_buff    * volatile send_head;
send_head660net/inet/tcp.csk->send_head == NULL &&
send_head798net/inet/tcp.cif (sk->send_head == NULL && skb_peek(&sk->write_queue) == NULL
send_head1953net/inet/tcp.cnewsk->send_head = NULL;
send_head2433net/inet/tcp.cfor (skb = sk->send_head; skb != NULL; skb = skb2) 
send_head2458net/inet/tcp.csk->send_head = list;
send_head2537net/inet/tcp.cskb2 = sk->send_head;
send_head2538net/inet/tcp.csk->send_head = NULL;
send_head2568net/inet/tcp.cif (sk->send_head == NULL) 
send_head2570net/inet/tcp.csk->send_head = skb;
send_head2584net/inet/tcp.cif (sk->send_tail == NULL || sk->send_head == NULL) 
send_head2586net/inet/tcp.csk->send_head = NULL;
send_head2660net/inet/tcp.cwhile(sk->send_head != NULL) 
send_head2663net/inet/tcp.cif (sk->send_head->link3 &&
send_head2664net/inet/tcp.cafter(sk->send_head->h.seq, sk->send_head->link3->h.seq)) 
send_head2670net/inet/tcp.cif (before(sk->send_head->h.seq, ack+1)) 
send_head2688net/inet/tcp.cif (sk->send_head->link3)
send_head2716net/inet/tcp.coskb = sk->send_head;
send_head2753net/inet/tcp.coskb = sk->send_head;
send_head2755net/inet/tcp.csk->send_head = oskb->link3;
send_head2756net/inet/tcp.cif (sk->send_head == NULL) 
send_head2794net/inet/tcp.csk->send_head == NULL &&
send_head2803net/inet/tcp.cif (sk->send_head == NULL && sk->ack_backlog == 0 &&
send_head2827net/inet/tcp.cskb_peek(&sk->write_queue) == NULL && sk->send_head == NULL) 
send_head2926net/inet/tcp.cif (((!flag) || (flag&4)) && sk->send_head != NULL &&
send_head2928net/inet/tcp.c(sk->send_head->when + sk->rto < jiffies))) 
send_head105net/inet/timer.csk->send_head == NULL &&
send_head176net/inet/timer.cskb = sk->send_head;