payload_data
appendpkt.payload_data = (void *)payload;
extern uint8_t payload_data;
bcopy(&payload_data, outp, len);
uint8_t payload_data = 0;
app->payload_data = (void *)(uintptr_t)app32.payload_data;
f, app->payload_data, app->payload_hdl, app->payload_cnt);
if (sgfru_copyin_buffer(iargp, append.payload_data, append.payload_cnt,