Data Queue APIs--Categories - FTP Directory Listing - IBM
Data Queue APIs--Categories - FTP Directory Listing - IBM
Data Queue APIs--Categories - FTP Directory Listing - IBM
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Retrieve <strong>Data</strong> <strong>Queue</strong> Message (QMHRDQM) API<br />
❍ the job continues to reference the original data queue, not the newly created data queue.<br />
Message selection information<br />
INPUT; CHAR(*)<br />
Identifies which message (or messages) you want to retrieve. The layout of this parameter is<br />
determined by the value of the message selection information format name.<br />
Length of message selection information<br />
INPUT; BINARY(4)<br />
The length of the message selection information parameter. This must be 8 bytes for RDQS0100<br />
and 16 bytes plus the size of the key for RDQS0200.<br />
Message selection information format name<br />
INPUT; CHAR(8)<br />
The format of the message selection information parameter. The following format names can be<br />
used:<br />
RDQS0100<br />
Format to select messages when using nonkeyed data queues.<br />
For more information see the RDQS0100 Format.<br />
RDQS0200<br />
Format to select messages when using keyed data queues.<br />
For more information see the RDQS0200 Format.<br />
Error code<br />
I/O; CHAR(*)<br />
The structure in which to return error information. For the format of the structure, see Error Code<br />
Parameter.<br />
RDQM0100 Format<br />
The following table lists the fields returned in the RDQM0100 format of the receiver variable parameter.<br />
For a detailed description of each field, see Field Descriptions.<br />
Dec<br />
Offset<br />
Hex Type Field<br />
0 0 BINARY(4) Bytes returned<br />
4 4 BINARY(4) Bytes available<br />
8 8 BINARY(4) Number of messages returned<br />
12 C BINARY(4) Number of messages available<br />
16 10 BINARY<br />
(4)<br />
Message key length returned<br />
http://infocntr.rchland.ibm.com/pubs/html/as400/v4r5/ic2924/info/apis/qmhrdqm.htm (3 of 8) [10/4/1999 2:32:30 PM]
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