Return area for the EXCI CALL interface

This is the format of the 5-word return area for the EXCI CALL interface.

  1. 1–word response field.
  2. 1–word reason field.
  3. Two 1–word subreason fields—subreason field-1 and subreason field-2.
  4. 1–word CICS® message pointer field. This is zero if there is no message present. If a message is present, this field contains the address of the storage area containing the message, which is formatted as follows:
    • A 2-byte LL field. LL is the length of the message plus the length of the LLBB field.
    • A 2-byte BB field, set to binary zero.
    • A variable length field containing the text of the message.