Specify initial values for fields

Specify the value to be used to initialize a field in a structure by coding the name of that field (without the prefix) as a parameter on the macro invocation, accompanied by the value required.

For example, to declare a message-descriptor structure with the MsgType field initialized with MQMT_REQUEST, and the ReplyToQ field initialized with the string "MY_REPLY_TO_QUEUE", use the following:

MY_MQMD  CMQMDA  MSGTYPE=MQMT_REQUEST,                                 X
               REPLYTOQ=MY_REPLY_TO_QUEUE

If you specify a named constant (equate) as a value on the macro invocation, use the CMQA macro to define the named constant. Do not enclose character string values in single quotation marks.

Parent topic: Structures