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))