ttkqfilter       1382 dev/wscons/wsdisplay.c 		return (ttkqfilter(dev, kn));
ttkqfilter        207 sys/conf.h     	D_TTY, D_KQFILTER, ttkqfilter }
ttkqfilter        247 sys/conf.h     	D_TTY, D_KQFILTER, ttkqfilter }
ttkqfilter        272 sys/tty.h      int	 ttkqfilter(dev_t dev, struct knote *kn);