BIOCGDLT
if (ioctl(fd, BIOCGDLT, (caddr_t)&v) == -1) {
case BIOCGDLT:
case BIOCGDLT:
if (ioctl(bpf, BIOCGDLT, &dlt) == -1)
if (ioctl(bif0->bif_bpf, BIOCGDLT, &bd->bd_dlt) == -1)
if (ioctl(fd, BIOCGDLT, &dlt) < 0) {
if (ioctl(fd, BIOCGDLT, (caddr_t) &dlt) == -1)
if (ioctl(BpfFd, BIOCGDLT, (caddr_t)&n) == -1) {
if (ioctl(fd, BIOCGDLT, &v) == -1) {