tty_read          144 drivers/tty/tty_io.c static ssize_t tty_read(struct file *, char __user *, size_t, loff_t *);
tty_read          479 drivers/tty/tty_io.c 	.read		= tty_read,
tty_read          492 drivers/tty/tty_io.c 	.read		= tty_read,
tty_read         2865 drivers/tty/tty_io.c 	if (likely(file->f_op->read != tty_read))