BIOCSETF
if (ioctl(BpfFd, BIOCSETF, (caddr_t)&bpf_pgm) < 0) {
if (ioctl(info->rfdesc, BIOCSETF, &p) < 0)
case BIOCSETF:
cmd = BIOCSETF;
if (cmd == BIOCSETF)
if (cmd == BIOCSETF && flen == 1 &&
if (ioctl(fd, BIOCSETF, (caddr_t)&filter) == -1) {
if (ioctl(p->fd, BIOCSETF, (caddr_t)&total_prog) < 0)