initdevice
ifp->if_fd = initdevice(ifp->if_name, 5);
wfd = initdevice(dev, 5);
extern int initdevice(char *, int);
nfd = initdevice(dev, 1);
nfd = initdevice(dev, 1);
nfd = initdevice(dev, 1);
nfd = initdevice(dev, 1);
nfd = initdevice(dev, 1);
nfd = initdevice(dev, 1);
nfd = initdevice(dev, 1);
int fd, wfd = initdevice(dev, 5), len, i;
nfd = initdevice(dev, 1);