In-storage Block (INSTBLK)

The in-storage block provides information about the program. The following fields in the in-storage block are provided:

The INSTBLK_ACRONYM and INSTBLK_HDRLEN fields are set to the ID of the control block and the header length.
The INSTBLK_ADDRESS field is set to the address of the first in-storage block entry (INSTBLK_ENTRY). The INSTBLK_USEDLEN field is set to the total length used by the entries. A length of 8 indicates that one line address or length pair, or both, is present.
The INSTBLK_MEMBER field is set to the member name. The INSTBLK_DDNAME is set to the ddname. The INSTBLK_SUBCOM) fields are set to the SUBCOM names.
The INSTBLK_DSNAME field is set to a question mark (?).