High Level Assembler declaration for MQMHBO

Message handle to buffer options structure - Assembler language declaration

MQMHBO                      DSECT
MQMHBO_STRUCID              DS   CL4  Structure identifier
MQMHBO_VERSION              DS   F    Structure version number
MQMHBO_OPTIONS              DS   F    Options that control the
*                                     action of MQMHBUF
MQMHBO_LENGTH               EQU  *-MQMHBO
MQMHBO_AREA                 DS   CL(MQMHBO_LENGTH)