MQCHLD_* (Command format Channel Dispositions)

MQCHLD_ALL -1 X'FFFFFFFF'
MQCHLD_DEFAULT 1 X'00000001'
MQCHLD_SHARED 2 X'00000002'
MQCHLD_PRIVATE 4 X'00000004'
MQCHLD_FIXSHARED 5 X'00000005'