-char *lookup_vendor(word);
-char *lookup_device(word, word);
-char *lookup_device_full(word, word);
-char *lookup_class(word);
+void die(char *msg, ...) NONRET PCI_PRINTF(1,2);
+void *xmalloc(size_t howmuch);
+void *xrealloc(void *ptr, size_t howmuch);
+char *xstrdup(const char *str);
+int parse_generic_option(int i, struct pci_access *pacc, char *arg);