HAMMER2IOC_DESTROY
if (ioctl(fd, HAMMER2IOC_DESTROY, &destroy) < 0) {
if (ioctl(fd, HAMMER2IOC_DESTROY, &destroy) < 0) {
case HAMMER2IOC_DESTROY:
h2_opt->ioctl_cmd = HAMMER2IOC_DESTROY;
case HAMMER2IOC_DESTROY:
case HAMMER2IOC_DESTROY: