Function prototype or declaration at include/linux/tty.h, line 643 References: drivers/isdn/i4l/isdn_tty.c, line 1484 drivers/s390/char/con3215.c, line 968 drivers/s390/char/tty3270.c, line 1018 drivers/tty/hvc/hvc_console.c, line 328 drivers/tty/hvc/hvcs.c, line 1157 drivers/tty/metag_da.c, line 421 drivers/tty/mips_ejtag_fdc.c, line 769 drivers/tty/n_gsm.c, line 2916 drivers/tty/serial/kgdb_nmi.c, line 252 drivers/tty/synclink.c, line 3360 drivers/tty/synclinkmp.c, line 738 drivers/tty/tty_port.c, line 550 drivers/tty/tty_port.c, line 556 drivers/tty/vt/vt.c, line 2879 drivers/usb/serial/usb-serial.c, line 199 include/linux/tty.h, line 643 net/bluetooth/rfcomm/tty.c, line 728 net/irda/ircomm/ircomm_tty.c, line 417