lrndef

unix v7是最后一个广泛发布的研究型UNIX版本

#include	<stdio.h>
char	*direct	= "/usr/lib/learn";	/* CHANGE THIS ON YOUR SYSTEM */
int	more;
char	*level;
int	speed;
char	*sname;
char	*todo;
FILE	*incopy	= NULL;
int	didok;
int	sequence	= 1;
int	comfile	= -1;
int	status;
int	wrong;
char	*pwline;
char	*dir;
FILE	*scrin;
int	logging	= 1;	/* set to 0 to turn off logging */
int	ask;