63 lines
4.3 KiB
HTML
63 lines
4.3 KiB
HTML
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<meta name="DC.Title" content="ILE C/400 functions" />
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<meta name="abstract" content="ILE C/400 provides the standard C functions defined by the American National Standards Institute (ANSI)." />
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<meta name="DC.subject" content="API, ILE C/400, functions, ILE C/400, C language program, ILE C/400 functions, ANSI functions, stream file, indicating use in ILE C/400" />
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<title>ILE C/400 functions</title>
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<body id="rzaaxc400fun"><a name="rzaaxc400fun"><!-- --></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">ILE C/400 functions</h1>
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<div><p>ILE C/400<sup>®</sup> provides
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the standard C functions defined by the American National Standards Institute
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(ANSI). </p>
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<div class="section"><p>These functions can operate through either the data management
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I/O support or the integrated file system stream I/O support, depending on
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what you specify when you create the C program. The compiler uses the data
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management I/O unless you tell it differently.</p>
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</div>
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<div class="section"><p>To tell the compiler to use the integrated file system stream
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I/O, you must specify *IFSIO for the System interface option (SYSIFCOPT) parameter
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in the Create ILE C/400 Module (CRTCMOD) or Create Bound C Program (CRTBNDC)
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command. When you specify *IFSIO, the integrated file system I/O functions
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are bound instead of the data management I/O functions. In effect, the ILE C/400 C
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functions use the integrated file system functions to perform I/O.</p>
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</div>
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<div class="example"> <div class="fignone"><span class="figcap">Figure 1. ILE C/400 functions use the integrated file system stream
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I/O functions</span><br /><img src="rv3n070.gif" alt="ILE C/400 functions use the integrated file system stream I/O functions" /><br /></div>
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</div>
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<div class="section"><p>For more information about using ILE C/400 functions with integrated file system
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stream I/O, see the publication <a href="../books/sc092712.pdf" target="_blank">WebSphere<sup>®</sup> Development Studio: ILE
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C/C++ Programmers Guide</a> <img src="wbpdf.gif" alt="Link to PDF" />. For details on each ILE C/400 C function, see the publication <a href="../books/sc097852.pdf" target="_blank">WebSphere Development
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Studio: C/C++ Language Reference</a> <img src="wbpdf.gif" alt="Link to PDF" />. </p>
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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="rzaaxprogapi.htm" title="Many of the application program interfaces (APIs) that perform operations on integrated file system objects are in the form of C language functions.">Perform operations using APIs</a></div>
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