BIOCVERSION
if (ioctl(info->wfdesc, BIOCVERSION, &v) < 0)
if (ioctl(info->rfdesc, BIOCVERSION, &v) < 0)
if (ioctl(fd, BIOCVERSION, (caddr_t)&bv) < 0)
case BIOCVERSION:
case BIOCVERSION:
if (ioctl(fd, BIOCVERSION, (caddr_t)&bv) < 0)