void __attribute__((noreturn)) die(char *msg, ...);
void *xmalloc(unsigned int howmuch);
int parse_generic_option(int i, struct pci_access *pacc, char *optarg);
void __attribute__((noreturn)) die(char *msg, ...);
void *xmalloc(unsigned int howmuch);
int parse_generic_option(int i, struct pci_access *pacc, char *optarg);