Yes, to fix it: either check its return value, or add "(void)" at the end of the function, e.g. "(void)fread(...)". Since they did not add "(void)", I assume th

Yes, to fix it: either check its return value, or add "(void)" at the end of the function, e.g. "(void)fread(...)". Since they did not add "(void)", I assume they meant to check the return value, they just simply forgot.