rem: int raw_detach(struct rawcb *rp)
add: static int raw_detach(struct rawcb *rp)
context: int raw_detach(struct rawcb *rp){	struct socket *so = rp->rcb_socket;		so->so_pcb = NULL;	rp->rcb_prev->rcb_next = rp->rcb_next;	rp->rcb_next->rcb_prev = rp->rcb_prev;	pool_put(rawcbpool, rp);	return 0;}