l = usbtmc_sendscpi(sc, ":LCD:DATA?", screen, sizeof(screen));
if (l != sizeof(screen)) {
- printf ("hmm. didnt' get %d bytes, but %d\n\n", sizeof(screen), l);
+ printf ("hmm. didnt' get %d bytes, but %d\n\n", (int)sizeof(screen), l);
}
png = lcd2png(screen, imglen);