if ((ret = ftdi_write_data_get_chunksize(&ftdic, &usb_maxlen)) != 0) {
fprintf(stderr, "unable to get write chunksize: %d (%s)\n", ret, ftdi_get_error_string(&ftdic));
return ret;
}
if ((ret = ftdi_write_data_get_chunksize(&ftdic, &usb_maxlen)) != 0) {
fprintf(stderr, "unable to get write chunksize: %d (%s)\n", ret, ftdi_get_error_string(&ftdic));
return ret;
}