1 /* BEGIN INCLUDE FILE ... backup_volume_header ... Feb 1976 */
 2 
 3 dcl  hdp ptr;                                               /* ptr to header */
 4 
 5 dcl 1 backup_volume_header based (hdp) aligned,
 6     2 pattern1 bit (36),                                    /* unique  word 1 */
 7     2 rec1_type fixed bin,                                  /* record 1 type */
 8     2 rec1_len fixed bin,                                   /* length in chars */
 9     2 pattern2 bit (36),                                    /* unique word 2 */
10     2 rec2_type fixed bin,                                  /* record 2 type */
11     2 rec2_len fixed bin,                                   /* length in chars */
12     2 pattern3 bit (36),                                    /* unique word 3 */
13     2 time_dumped bit (36);                                 /* dump time of this record */
14 
15 dcl  vtoce_type fixed bin static init (1) options (constant); /* type code for vtoce */
16 dcl  dir_type fixed bin static init (2) options (constant); /* type code for directory */
17 dcl  seg_type fixed bin static init (3) options (constant); /* type code for segment */
18 dcl  null_type fixed bin static init (4) options (constant); /* type code for null record */
19 dcl  volume_log_type fixed bin static init (5) options (constant); /* type code for volume log */
20 dcl  prev_output_log_type fixed bin static init (6) options (constant); /* type code for prev output log */
21 dcl  contents_type fixed bin static init (7) options (constant); /* type code for contents segment of previous volume */
22 dcl  info_type fixed bin static init (8) options (constant); /* type code for info structure */
23 
24 dcl  pattern1 bit (36) int static init ("110111000011001100011101101010100101"b) options (constant);
25 dcl  pattern2 bit (36) int static init ("101001010101101110001100110000111011"b) options (constant);
26 dcl  pattern3 bit (36) int static init ("001000111100110011100010010101011010"b) options (constant);
27 
28 /* END INCLUDE FILE ... backup_volume_header */