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<title>C/C++ File Properties, Paths and Symbols, Symbols</title>
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<h1>C/C++ File Properties, Paths and Symbols, Symbols</h1>
<p>You can modify the list of preprocessor symbols.</p>
<p><img img src="../images/cdt_file_sym.png"
alt="C/C++ File Properties, Paths and Symbols, Symbols"></p>
<dl>
<dt>Languages (left pane)</dt>
<dd>Displays language related to this file.
</dd>
<dt>Symbol / Value</dt>
<dd>List of symbols related to given language.</dd>
<dt>Add</dt>
<dd>Add new symbol</dd>
<dt>Edit</dt>
<dd>Modify selected symbol value/dd>
<dt>Delete</dt>
<dd>Remove selected symbol</dd>
<dt>Export / Unexport</dt>
<dd>Toggle selected symbol exported or not</dd>
<dt>Show built-in values</dt>
<dd>Check to display system (built-in) includes.</dd>
<dt><br>Available for :</dt>
<dd>CDT projects, folders and files</dd>
</dl></p>
<p><img border="0" src="../images/ngref.gif" ALT="Related reference" width="143" height="21"><br>
<ul>
<li><a href=cdt_u_fprop_resource.htm>Resource</a></li>
<li>C/C++ Build</li>
<ul>
<li><a href=cdt_u_fileprop_discovery.htm>Discovery options</a></li>
<li>Settings</li>
<ul>
<li><a href=cdt_u_fileprop_toolsettings.htm>Tool chains setting tab</a></li>
<li><a href=cdt_u_fileprop_steps.htm>Build Steps tab</a></li>
</ul>
<li><a href="cdt_u_prop_build_toolchain.htm">Tool chain editor page</a>
</ul>
<li>C/C++ General</li>
<ul>
<li>Paths and Symbols</li>
<ul>
<li><a href="cdt_u_fileprop_inc.htm">Includes tab</a>
<li><a href="cdt_u_fileprop_sym.htm">Symbols tab</a>
<li><a href="cdt_u_prop_general_pns_hier.htm">Data Hierarchy tab</a>
</ul>
</ul>
<li><a href="cdt_u_prop_rundebug.htm">Run/Debug Settings page</a>
</ul>
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