no_output
if (cmd_opt.no_output) {
(0 == cmd_opt.no_output)) {
cmd_opt.no_output = 1;
(0 == cmd_opt.no_output)) {
cmd_opt.no_output ||
cmd_opt.no_output ? "true" : "false");
int no_output;
static int no_output __P((struct ifnet *, struct mbuf *,
static int no_output __P((struct ifnet *, struct mbuf *,
static int no_output __P((struct ifnet *, struct mbuf *,
static int no_output (ifp, m, s, rt, cp)
static int no_output(ifp, m, s, rt)
ifp->if_output = no_output;