tty_fasync        158 drivers/tty/tty_io.c static int tty_fasync(int fd, struct file *filp, int on);
tty_fasync        486 drivers/tty/tty_io.c 	.fasync		= tty_fasync,
tty_fasync        499 drivers/tty/tty_io.c 	.fasync		= tty_fasync,