xref: /original-bsd/old/tp/tp.h (revision 1aa9b5b9)
1 /*	@(#)tp.h	4.2	06/28/84	*/
2 
3 /*	c-version of tp?.s
4  *
5  *	M. Ferentz
6  *	August 1976
7  *
8  *	revised July 1977 BTL
9  */
10 
11 #define	MDIRENT	496		/* must be zero mod 8 */
12 #define DIRSZ	sizeof(struct dent)
13 #define MAPSIZE 4096
14 #define MAPMASK 07777
15 #define NAMELEN 32
16 #define BSIZE   512
17 #define	TCSIZ	578
18 #define TCDIRS	192
19 #define	MTSIZ	32767
20 #define TPB	(BSIZE/sizeof(struct tent))
21 #define	OK	0100000
22 #define	BRKINCR	512
23 
24 #define	tapeblk	&tpentry[0]
25 #define tapeb	&tpentry[0]
26 
27 struct 	tent	{	/* Structure of a tape directory block */
28 	char	pathnam[NAMELEN];
29 	short	mode;
30 	char	uid;
31 	char	gid;
32 	char	spare;
33 	char	size0;
34 	unsigned short	size1;
35 	long	time;
36 	unsigned short	tapea;	/* tape address */
37 	short	unused[8];
38 	short	cksum;
39 }	tpentry[TPB];
40 
41 struct	dent {	/* in core version of tent with "unused" removed
42 		 * and pathname replaced by pointer to same in a
43 		 * packed area (nameblock).
44 		 */
45 	char	*d_namep;
46 	int	d_mode;
47 	int	d_uid;
48 	int	d_gid;
49 	long	d_size;
50 	long	d_time;
51 	int	d_tapea;
52 }  dir[MDIRENT];
53 
54 char	map[MAPSIZE];
55 char	name[NAMELEN];
56 char	name1[NAMELEN];
57 extern	char mt[];
58 extern	char tc[];
59 char	*tname;
60 extern	char mheader[];
61 extern	char theader[];
62 
63 int	narg, rnarg;
64 char	**parg;
65 int	wseeka,rseeka;
66 int	tapsiz;
67 int	fio;
68 short	ndirent, ndentb;
69 struct	dent	*edir;
70 struct	dent *lastd;		/* for improvement */
71 char	*sbrk();
72 char	*strcpy();
73 long	lseek();
74 int	(*command)();
75 
76 extern	int	flags;
77 #define	flc	0001
78 #define	fli	0004
79 #define	flm	0010
80 #define	flu	0020
81 #define	flv	0040
82 #define	flw	0100
83 #define fls	0200
84