01 LIBMETA-DATA. (20 bytes)
05 LIBMETA-EYEC PIC X(04) VALUE 'LBMD'.
05 LIBMETA-VRSN PIC S9(04) COMP VALUE +1.
05 LIBMETA-LEN PIC S9(04) COMP VALUE +20.
05 LIBMETA-TOTALB PIC S9(08) COMP VALUE +0.
05 LIBMETA-AVAILB PIC S9(08) COMP VALUE +0.
05 LIBMETA-BLKSIZ PIC S9(08) COMP VALUE +0.
where:
LIBMETA-BLKSIZ (fullword binary) is the block size defined for the library.
LIBMETA-TOTALB (fullword binary) is the number of blocks defined for the library.
LIBMETA-AVAILB (fullword binary) is the number of unused blocks on the library.