Open feedback area for printer

The open data path (ODP) contains information about the merged file attributes and information returned by input or output operations. The ODP only exists while the file is open.

The open feedback area is the part of the open data path (ODP) that contains general information about the file after it has been opened. It also contains file-specific information, depending on the file type, plus information about each device defined for the file. This information is set during open processing and can be updated as other operations are performed.

Offset	Data type	Length in bytes	Contents
0	Character	2	Open data path (ODP) type: DS Printer file not being spooled. Display, tape, ICF, save, or diskette file not being spooled. SP Printer or diskette file being spooled or inline data file.
2	Character	10	Name of the file being opened. If the ODP type is DS, this is the name of the device file or save file. If the ODP type is SP, this is the name of the device file or the inline data file.
12	Character	10	Name of the library containing the file.
22	Character	10	Name of the spooled file. The name of a database file containing the spooled input or output records.
32	Character	10	Name of the library in which the spooled file is located.
42	Binary	2	Spooled file number.
44	Binary	2	Maximum record length.
46	Character	2	Reserved.
48	Character	10	Member name: If the ODP type is SP, the member name in the file is named at offset 22.
58	Binary	4	Reserved.
62	Binary	4	Reserved.
66	Binary	2	File type: 1 Display 2 Printer 4 Diskette 5 Tape 9 Save 10 DDM 11 ICF 20 Inline data 21 Database
68	Character	3	Reserved.
71	Binary	2	Number of lines on a printed page.
73	Binary	2	Number of positions on a printed line.
75	Binary	4	Not applicable to printer.
79	Binary	4	Spooled file number.
83	Character	10	Reserved.
93	Character	10	Reserved.
103	Binary	2	Not applicable to printer.
105	Binary	2	Maximum number of records that can be read or written in a block when using blocked record I/O.
107	Binary	2	Overflow line number.
109	Binary	2	Blocked record I/O record increment. Number of bytes that must be added to the start of each record in a block to address the next record in the block.
111	Binary	4	Reserved.
115	Character	1	Miscellaneous flags. Bit 1: Reserved. Bit 2: File sharable 0 File was not opened as sharable. 1 File was opened as sharable (SHARE(*YES)). Bits 3-5: Not applicable to printer. Bit 6: Field-level descriptions 0 File does not contain field-level descriptions. 1 File contains field-level descriptions. Bit 7: DBCS-capable file 0 File is not DBCS-capable. 1 File is DBCS-capable. Bit 8: Not applicable to printer.
116	Character	10	Not applicable to printer.
126	Binary	2	File open count. If the file has not been opened as sharable, this field contains a 1. If the file has been opened as sharable, this field contains the number of programs currently attached to this file.
128	Binary	2	Reserved.
130	Binary	2	Not applicable to printer.
132	Character	1	Miscellaneous flags.
			Bits 1-4: Not applicable to printer. Bit 5: Separate indicator area 0 Indicators are in the I/O buffer of the program. 1 Indicators are not in the I/O buffer of the program. The DDS keyword, INDARA, was used when the file was created. Bit 6: User buffers 0 System creates I/O buffers for the program. 1 User program supplies I/O buffers. Bits 7-8: Reserved.
133	Character	2	Open identifier. The value is unique for a full (not shared) open operation of a file. It allows you to match this file to an entry on the associated data queue.
135	Binary	2	The field value is the maximum record format length, including both data and file-specific information, such as first-character forms control, option indicators, response indicators, source sequence numbers, and program-to-system data. If the value is zero, then use the field at offset 44.
137	Character	9	Reserved.
146	Binary	2	Number of devices defined for this ODP. For printers this always has a value of 1.
148	Character		Device name definition list. See Device definition list for a description of this array.