Hi all: In example6_app(void),void newdata(void){ struct example6_state *s =
(struct example6_state *)uip_conn->appstate;
if(s->state == STATE_WAITING) {
s->state = STATE_HELLO;
s->dataptr = "hello ";
s->datalen = 6; }When s->datalen = 6,it runs well,But if i chang s->datalen
= 0,it does't run wellwhy?
