C invocation

MQ_TERM_EXIT (&ExitParms, &ExitContext, &CompCode,
             &Reason);

The parameters passed to the exit are declared as follows:

PMQAXP   pExitParms;    /* Exit parameter structure */
PMQAXC   pExitContext;  /* Exit context structure */
PMQLONG  pCompCode;     /* Completion code */
PMQLONG  pReason;       /* Reason code qualifying CompCode */