int window = tcp_full_space(sk)/2; 
int window = tcp_win_from_space(sysctl_tcp_rmem[2])/2; 
static int __tcp_grow_window(const struct sock *sk, struct tcp_sock *tp,			     const struct sk_buff *skb){	/* Optimize this! */	int truesize = tcp_win_from_space(skb->truesize)/2;	int window = tcp_full_space(sk)/2;	while (tp->rcv_ssthresh <= window) {		if (truesize <= skb->len)			return 2 * inet_csk(sk)->icsk_ack.rcv_mss;		truesize >>= 1;		window >>= 1;	}	return 0;}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/326f36e9e7de362e09745ce6f84b65e7ccac33ba/tcp_input.c/clean/net/ipv4/tcp_input.c