MQIASY_* (Integer System Selectors)
| MQIASY_FIRST | -1 | X'FFFFFFFF' |
| MQIASY_CODED_CHAR_SET_ID | -1 | X'FFFFFFFF' |
| MQIASY_TYPE | -2 | X'FFFFFFFE' |
| MQIASY_COMMAND | -3 | X'FFFFFFFD' |
| MQIASY_MSG_SEQ_NUMBER | -4 | X'FFFFFFFC' |
| MQIASY_CONTROL | -5 | X'FFFFFFFB' |
| MQIASY_COMP_CODE | -6 | X'FFFFFFFA' |
| MQIASY_REASON | -7 | X'FFFFFFF9' |
| MQIASY_BAG_OPTIONS | -8 | X'FFFFFFF8' |
| MQIASY_VERSION | -9 | X'FFFFFFF7' |
| MQIASY_LAST_USED | -9 | X'FFFFFFF7' |
| MQIASY_LAST | -2000 | X'FFFFF830' |