t_rocol           552 kern/tty.c     			tp->t_rocol = tp->t_column;
t_rocol          1227 kern/tty.c     		tp->t_rocol = 0;
t_rocol          1888 kern/tty.c     				tp->t_column = tp->t_rocol;
t_rocol          1963 kern/tty.c     	tp->t_rocol = 0;
t_rocol           128 sys/tty.h      	short	t_rocount, t_rocol;	/* Tty. */