devsw_detach
devsw_detach(NULL, &ascaudio_cdevsw);
devsw_detach(NULL, &vcoda_cdevsw);
devsw_detach(NULL, &audio_cdevsw);
devsw_detach(NULL, &audio_cdevsw);
devsw_detach(&ccd_bdevsw, &ccd_cdevsw);
devsw_detach(&cgd_bdevsw, &cgd_cdevsw);
devsw_detach(&cgd_bdevsw, &cgd_cdevsw);
devsw_detach(&cgd_bdevsw, &cgd_cdevsw);
devsw_detach(NULL, &clockctl_cdevsw);
devsw_detach(&dm_bdevsw, &dm_cdevsw);
devsw_detach(&dm_bdevsw, &dm_cdevsw);
devsw_detach(&dm_bdevsw, &dm_cdevsw);
devsw_detach(NULL, &dtv_cdevsw);
devsw_detach(NULL, &dtv_cdevsw);
devsw_detach(&flash_bdevsw, &flash_cdevsw);
devsw_detach(&flash_bdevsw, &flash_cdevsw);
devsw_detach(&fss_bdevsw, &fss_cdevsw);
devsw_detach(&fss_bdevsw, &fss_cdevsw);
devsw_detach(&fss_bdevsw, &fss_cdevsw);
devsw_detach(NULL, &gpio_cdevsw);
devsw_detach(NULL, &gpio_cdevsw);
devsw_detach(NULL, &gpioirq_cdevsw);
devsw_detach(NULL, &gpiopps_cdevsw);
devsw_detach(NULL, &gpiopps_cdevsw);
devsw_detach(NULL, &hdaudio_cdevsw);
devsw_detach(NULL, &hdaudio_cdevsw);
devsw_detach(NULL, &emcfan_cdevsw);
devsw_detach(NULL, &emcfan_cdevsw);
devsw_detach(NULL, &iic_cdevsw);
devsw_detach(NULL, &iic_cdevsw);
devsw_detach(NULL, &sht3x_cdevsw);
devsw_detach(NULL, &sht3x_cdevsw);
devsw_detach(NULL, &scmd_cdevsw);
devsw_detach(NULL, &scmd_cdevsw);
devsw_detach(NULL, &cir_cdevsw);
devsw_detach(NULL, &cir_cdevsw);
devsw_detach(NULL, &iscsi_cdevsw);
devsw_detach(NULL, &iscsi_cdevsw);
devsw_detach(NULL, &iscsi_cdevsw);
devsw_detach(NULL, &iscsi_cdevsw);
devsw_detach(NULL, &iscsi_cdevsw);
devsw_detach(&ld_bdevsw, &ld_cdevsw);
devsw_detach(NULL, &midi_cdevsw);
devsw_detach(NULL, &sequencer_cdevsw);
devsw_detach(NULL, &midi_cdevsw);
devsw_detach(NULL, &sequencer_cdevsw);
devsw_detach(NULL, &midi_cdevsw);
devsw_detach(NULL, &nvmm_cdevsw);
devsw_detach(NULL, &pad_cdevsw);
devsw_detach(NULL, &pad_cdevsw);
devsw_detach(NULL, &nvme_cdevsw);
devsw_detach(NULL, &nvme_cdevsw);
devsw_detach(NULL, &vio9p_cdevsw);
devsw_detach(&pud_bdevsw /* XXX */, &pud_cdevsw);
devsw_detach(&raid_bdevsw, &raid_cdevsw);
devsw_detach(&raid_bdevsw, &raid_cdevsw);
devsw_detach(&raid_bdevsw, &raid_cdevsw);
devsw_detach(NULL, &spkr_cdevsw);
devsw_detach(NULL, &spkr_cdevsw);
devsw_detach(NULL, &sysmon_cdevsw);
devsw_detach(NULL, &tprof_cdevsw);
devsw_detach(&vnd_bdevsw, &vnd_cdevsw);
devsw_detach(&vnd_bdevsw, &vnd_cdevsw);
devsw_detach(&vnd_bdevsw, &vnd_cdevsw);
devsw_detach(NULL, &wsbell_cdevsw);
devsw_detach(NULL, &wsbell_cdevsw);
devsw_detach(NULL, &pf_cdevsw);
devsw_detach(NULL, &autofs_cdevsw);
devsw_detach(NULL, &drvctl_cdevsw);
devsw_detach(NULL, &happy_cdevsw);
devsw_detach(NULL, &happy_cdevsw);
devsw_detach(NULL, &mapper_cdevsw);
devsw_detach(NULL, &panic_string_cdevsw);
devsw_detach(NULL, &ping_cdevsw);
devsw_detach(&ping_bdevsw, &ping_cdevsw);
devsw_detach(NULL, &pollpal_cdevsw);
devsw_detach(NULL, &happy_cdevsw);
devsw_detach(NULL, &happy_cdevsw);
devsw_detach(NULL, &lua_cdevsw);
devsw_detach(NULL, &lua_cdevsw);
devsw_detach(NULL, &lua_cdevsw);
devsw_detach(NULL, &lua_cdevsw);
devsw_detach(NULL, &srt_cdevsw);
devsw_detach(NULL, &tap_cdevsw);
devsw_detach(NULL, &tun_cdevsw);
devsw_detach(NULL, &npf_cdevsw);
devsw_detach(NULL, &crypto_cdevsw);
devsw_detach(NULL, &audio_cdevsw);
devsw_detach(NULL, &bpf_cdevsw);
devsw_detach(&cgd_bdevsw, &cgd_cdevsw);
devsw_detach(NULL, &drvctl_cdevsw);
devsw_detach(&fss_bdevsw, &fss_cdevsw);
devsw_detach(&raid_bdevsw, &raid_cdevsw);
devsw_detach(NULL, &sysmon_cdevsw);
devsw_detach(&vnd_bdevsw, &vnd_cdevsw);
devsw_detach(&zfs_bdevsw, &zfs_cdevsw);
devsw_detach(NULL, &npf_cdevsw);
devsw_detach(NULL, &tap_cdevsw);
devsw_detach(NULL, &tun_cdevsw);
void devsw_detach(const struct bdevsw *, const struct cdevsw *);