devclass_get_devices
devclass_get_devices(devclass_find("acpi_tz"), &devs, &devcount);
devclass_get_devices(acpi_tz_devclass, &devs, &devcount);
if (devclass_get_devices(agp_devclass, &children, &count) != 0)
devclass_get_devices(devclass_find("coreboot"), &devs, &count);
if (dc != NULL && devclass_get_devices(dc, &devs, &count) == 0) {
if (devclass_get_devices(devclass_find("hn"), &devs, &devcnt) == 0) {
if (devclass_get_devices(devclass_find("ipmi"), &devs, &count) != 0)
error = devclass_get_devices(devclass_find(nvdimm_driver.name), &dimms,
devclass_get_devices(pci_devclass, &pci_devices, &pci_count);
devclass_get_devices(devclass_find("smbios"), &devs, &count);
devclass_get_devices(devclass_find(smapi_driver.name), &devs,
error = devclass_get_devices(devclass_find("cpufreq"), &devs, &devcount);
int devclass_get_devices(devclass_t dc, device_t **listp, int *countp);
devclass_get_devices(devclass_find("vpd"), &devs, &count);