SEGMENT

Segment name.

CHAR(8)

NOT NULL

AREA

Area name.

CHAR(18)

NOT NULL

FILE

File name.

CHAR(18)

NOT NULL

PAGESIZE

Size, in bytes, of each page in the area.

INTEGER

NOT NULL

LOWPAGE

Low page number of the area page range.

INTEGER

NOT NULL

HIGHPAGE

High page number of the area page range.

INTEGER

NOT NULL

LOWBLOCK

Low relative block number (RBN) of the range of file blocks to which the area page range is mapped.

INTEGER

NOT NULL

HIGHBLOCK

High relative block number (RBN) of the range of file blocks to which the area page range is mapped.

INTEGER

NOT NULL

ACCESSMETHOD

File access method.

CHAR(8)

NOT NULL

FLAG

File flag:

• X'80'—Native VSAM FOR CALC file
• X'40'—Native VSAM FOR SET file

BINARY(1)

NOT NULL

FILLER

Reserved for future use.

BINARY(39)

NOT NULL