tag	line	file	source code
RTF_WINDOW	280	net/inet/route.c	if(rt->rt_flags & RTF_WINDOW)
RTF_WINDOW	2033	net/inet/tcp.c	if(rt!=NULL && (rt->rt_flags&RTF_WINDOW))
RTF_WINDOW	3558	net/inet/tcp.c	if(rt!=NULL && (rt->rt_flags&RTF_WINDOW))