ttydevice
#define device2tty(d) ((d)->type == TTY_DEVICE ? (struct ttydevice *)d : NULL)
return sizeof(struct ttydevice);
struct ttydevice *dev = device2tty(p->handler);
struct ttydevice *dev = device2tty(p->handler);
struct ttydevice *dev = device2tty(p->handler);
isngtty(struct ttydevice *dev)
struct ttydevice *dev = device2tty(p->handler);
struct ttydevice *dev = device2tty(p->handler);
struct ttydevice *dev = device2tty(p->handler);
struct ttydevice *dev = device2tty(p->handler);
struct ttydevice *dev = device2tty(p->handler);
struct ttydevice *dev = device2tty(p->handler);
struct ttydevice *dev = device2tty(p->handler);
struct ttydevice *dev = device2tty(p->handler);
struct ttydevice *dev = device2tty(p->handler);
struct ttydevice *dev = device2tty(p->handler);
struct ttydevice *dev = device2tty(p->handler);
struct ttydevice *dev;
struct ttydevice *dev = (struct ttydevice *)iov[(*niov)++].iov_base;
struct ttydevice *dev;