lrnref

unix v7是最后一个广泛发布的研究型UNIX版本

#define	READY	0
#define	PRINT	1
#define	COPYIN	2
#define	COPYOUT	3
#define	UNCOPIN	4
#define	UNCOPOUT	5
#define	PIPE	6
#define	UNPIPE	7
#define	YES	8
#define	NO	9
#define	SUCCEED	10
#define	FAIL	11
#define	BYE	12
#define	LOG	13
#define	CHDIR	14
#define	LEARN	15
#define	MV	16
#define	USER	17
#define	NEXT	18
#define	SKIP	19
#define	WHERE	20
#define	MATCH	21
#define	NOP	22
#define	BAD	23
#define	CREATE	24
#define	CMP	25
#define	GOTO	26
#define	ONCE	27

extern	int	more;
extern	char	*level;
extern	int	speed;
extern	char	*sname;
extern	char	*direct;
extern	char	*todo;
extern	int	didok;
extern	int	sequence;
extern	int	comfile;
extern	int	status;
extern	int	wrong;
extern	char	*pwline;
extern	char	*dir;
extern	FILE	*incopy;
extern	FILE	*scrin;
extern	int	logging;
extern	int	ask;