HelenOS sources

PCI_BASE_CLASS    727 uspace/drv/bus/isa/isa.c 	rc = pci_config_space_read_8(sess, PCI_BASE_CLASS, &isa->pci_class);
PCI_BASE_CLASS    925 uspace/drv/bus/pci/pciintel/pci.c 	fun->class_code = pci_conf_read_8(fun, PCI_BASE_CLASS);