tty_operations    235 include/linux/tty.h struct tty_operations;
tty_operations    242 include/linux/tty.h 	const struct tty_operations *ops;
tty_operations    326 include/linux/tty_driver.h 	const struct tty_operations *ops;
tty_operations    336 include/linux/tty_driver.h 			const struct tty_operations *op);