ID0open
bundle.dev.fd = ID0open(bundle.dev.Name, O_RDWR);
extern int ID0open(const char *, int, ...);
if ((fd = ID0open(_PATH_RESCONF, O_WRONLY|O_TRUNC, 0644)) != -1) {
p->fd = ID0open(p->name.full, O_RDWR | O_NONBLOCK);