send_data
sendrv = send_data(fin, dout, &st, isdata);
static int send_data(FILE *, FILE *, const struct stat *, int);
goto send_data;
send_data:
send_data:
goto send_data;
send_data(s_rcv, s_snd, service, direction);
static void send_data(int, int, const char *, int);
if (send_data != NULL){
dvsend(fd, send_data, TAG | CHANNEL, -1);
free(send_data);
char *send_data = NULL;
send_data = strdup(optarg);
if (send_data == NULL)