pci_subclass_t
pci_subclass_t subclass;
pci_subclass_t subclass;
pci_subclass_t subclass;
pci_subclass(const struct pci_class *pc, pci_subclass_t subclass)
pci_subclass_name(pci_class_t class, pci_subclass_t subclass)
pci_subclass_name(pci_class_t, pci_subclass_t);