_PATH_DEVPCI
fd = open(_PATH_DEVPCI, (bridge || caps || errors) ?
err(1, "%s", _PATH_DEVPCI);
fd = open(_PATH_DEVPCI, O_RDWR, 0);
err(1, "%s", _PATH_DEVPCI);
fd = open(_PATH_DEVPCI, O_RDWR, 0);
err(1, "%s", _PATH_DEVPCI);
fd = open(_PATH_DEVPCI, O_RDWR, 0);
err(1, "%s", _PATH_DEVPCI);