RPG invocation
C*..1....:....2....:....3....:....4....:....5....:....6....:....7.. C CALLP MQBACK(HCONN : COMCOD : REASON)The prototype definition for the call is:
D*..1....:....2....:....3....:....4....:....5....:....6....:....7.. DMQBACK PR EXTPROC('MQBACK') D* Connection handle D HCONN 10I 0 VALUE D* Completion code D COMCOD 10I 0 D* Reason code qualifying COMCOD D REASON 10I 0