63 lines
3.6 KiB
HTML
63 lines
3.6 KiB
HTML
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<meta name="DC.Title" content="Convert alphanumeric programs to process DBCS data" />
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<meta name="abstract" content="This tells how to change an application program to a double-byte application program." />
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<meta name="description" content="This tells how to change an application program to a double-byte application program." />
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<title>Convert alphanumeric programs to process DBCS data</title>
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<body id="cdds"><a name="cdds"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">Convert alphanumeric programs to process DBCS data</h1>
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<div><p>This tells how to change an application program to a double-byte
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application program.</p>
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<div class="section"> <p>If an alphanumeric application program uses externally-described
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display files, you can change that application program to a double-byte application
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program by changing only the files. To convert an application program, do
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the following: </p>
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<ol><li>Create a duplicate copy of the source statements for the alphanumeric
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file you want to change.</li>
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<li>Change alphanumeric constants and literals to double-byte constants and
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literals.</li>
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<li>Change fields in the file to one of the following data types to enter
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DBCS data: <ul><li>DBCS-open (O) data type</li>
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<li>DBCS-only (J) data type</li>
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<li>DBCS-either (E) data</li>
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</ul>
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<p>You do not have to change the length of the fields.</p>
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</li>
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<li>Store the converted display file in a separate library. Give the file
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the same name as its alphanumeric version.</li>
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<li>To use the converted file in a job, change the library list, using the
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Change Library List (CHGLIBL) command, for the job in which the file is used.
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The library in which the double-byte display file is stored is then checked
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before the library in which the alphanumeric version of the file is stored.</li>
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</ol>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="apgmdbcs.htm" title="Special considerations must be made when designing application programs to process double-byte data or converting alphanumeric application programs to double-byte programs.">Application programming for DBCS data</a></div>
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