usr/src/cmd/learn/lrndef

#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;