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toolchain-gcc-arm-embedded/share/doc/gcc-arm-none-eabi/html/cpp/Concept-Index.html

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  1. <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

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  24. <head>

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  26. <title>Concept Index (The C Preprocessor)</title>

  27. 

  28. <meta name="description" content="Concept Index (The C Preprocessor)">

  29. <meta name="keywords" content="Concept Index (The C Preprocessor)">

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  33. <link href="index.html#Top" rel="start" title="Top">

  34. <link href="Index-of-Directives.html#Index-of-Directives" rel="index" title="Index of Directives">

  35. <link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">

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  68. 

  69. <body lang="en">

  70. <a name="Concept-Index"></a>

  71. <div class="header">

  72. <p>

  73. Previous: <a href="Option-Index.html#Option-Index" accesskey="p" rel="prev">Option Index</a>, Up: <a href="index.html#Top" accesskey="u" rel="up">Top</a> &nbsp; [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Index-of-Directives.html#Index-of-Directives" title="Index" rel="index">Index</a>]</p>

  74. </div>

  75. <hr>

  76. <a name="Concept-Index-1"></a>

  77. <h2 class="unnumbered">Concept Index</h2>

  78. <table><tr><th valign="top">Jump to: &nbsp; </th><td><a class="summary-letter" href="#Concept-Index_cp_symbol-1"><b>#</b></a>

  79.  &nbsp; 

  80. <a class="summary-letter" href="#Concept-Index_cp_symbol-2"><b>_</b></a>

  81.  &nbsp; 

  82. <br>

  83. <a class="summary-letter" href="#Concept-Index_cp_letter-A"><b>A</b></a>

  84.  &nbsp; 

  85. <a class="summary-letter" href="#Concept-Index_cp_letter-B"><b>B</b></a>

  86.  &nbsp; 

  87. <a class="summary-letter" href="#Concept-Index_cp_letter-C"><b>C</b></a>

  88.  &nbsp; 

  89. <a class="summary-letter" href="#Concept-Index_cp_letter-D"><b>D</b></a>

  90.  &nbsp; 

  91. <a class="summary-letter" href="#Concept-Index_cp_letter-E"><b>E</b></a>

  92.  &nbsp; 

  93. <a class="summary-letter" href="#Concept-Index_cp_letter-F"><b>F</b></a>

  94.  &nbsp; 

  95. <a class="summary-letter" href="#Concept-Index_cp_letter-G"><b>G</b></a>

  96.  &nbsp; 

  97. <a class="summary-letter" href="#Concept-Index_cp_letter-H"><b>H</b></a>

  98.  &nbsp; 

  99. <a class="summary-letter" href="#Concept-Index_cp_letter-I"><b>I</b></a>

  100.  &nbsp; 

  101. <a class="summary-letter" href="#Concept-Index_cp_letter-L"><b>L</b></a>

  102.  &nbsp; 

  103. <a class="summary-letter" href="#Concept-Index_cp_letter-M"><b>M</b></a>

  104.  &nbsp; 

  105. <a class="summary-letter" href="#Concept-Index_cp_letter-N"><b>N</b></a>

  106.  &nbsp; 

  107. <a class="summary-letter" href="#Concept-Index_cp_letter-O"><b>O</b></a>

  108.  &nbsp; 

  109. <a class="summary-letter" href="#Concept-Index_cp_letter-P"><b>P</b></a>

  110.  &nbsp; 

  111. <a class="summary-letter" href="#Concept-Index_cp_letter-R"><b>R</b></a>

  112.  &nbsp; 

  113. <a class="summary-letter" href="#Concept-Index_cp_letter-S"><b>S</b></a>

  114.  &nbsp; 

  115. <a class="summary-letter" href="#Concept-Index_cp_letter-T"><b>T</b></a>

  116.  &nbsp; 

  117. <a class="summary-letter" href="#Concept-Index_cp_letter-U"><b>U</b></a>

  118.  &nbsp; 

  119. <a class="summary-letter" href="#Concept-Index_cp_letter-V"><b>V</b></a>

  120.  &nbsp; 

  121. <a class="summary-letter" href="#Concept-Index_cp_letter-W"><b>W</b></a>

  122.  &nbsp; 

  123. </td></tr></table>

  124. <table class="index-cp" border="0">

  125. <tr><td></td><th align="left">Index Entry</th><td>&nbsp;</td><th align="left"> Section</th></tr>

  126. <tr><td colspan="4"> <hr></td></tr>

  127. <tr><th><a name="Concept-Index_cp_symbol-1">#</a></th><td></td><td></td></tr>

  128. <tr><td></td><td valign="top"><a href="Stringizing.html#index-_0023-operator">&lsquo;<samp>#</samp>&rsquo; operator</a>:</td><td>&nbsp;</td><td valign="top"><a href="Stringizing.html#Stringizing">Stringizing</a></td></tr>

  129. <tr><td></td><td valign="top"><a href="Concatenation.html#index-_0023_0023-operator">&lsquo;<samp>##</samp>&rsquo; operator</a>:</td><td>&nbsp;</td><td valign="top"><a href="Concatenation.html#Concatenation">Concatenation</a></td></tr>

  130. <tr><td colspan="4"> <hr></td></tr>

  131. <tr><th><a name="Concept-Index_cp_symbol-2">_</a></th><td></td><td></td></tr>

  132. <tr><td></td><td valign="top"><a href="Pragmas.html#index-_005fPragma"><code>_Pragma</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Pragmas.html#Pragmas">Pragmas</a></td></tr>

  133. <tr><td></td><td valign="top"><a href="_005f_005fhas_005fattribute.html#index-_005f_005fhas_005fattribute"><code>__has_attribute</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="_005f_005fhas_005fattribute.html#g_t_005f_005fhas_005fattribute"><code>__has_attribute</code></a></td></tr>

  134. <tr><td></td><td valign="top"><a href="_005f_005fhas_005fbuiltin.html#index-_005f_005fhas_005fbuiltin"><code>__has_builtin</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="_005f_005fhas_005fbuiltin.html#g_t_005f_005fhas_005fbuiltin"><code>__has_builtin</code></a></td></tr>

  135. <tr><td></td><td valign="top"><a href="_005f_005fhas_005fcpp_005fattribute.html#index-_005f_005fhas_005fcpp_005fattribute"><code>__has_cpp_attribute</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="_005f_005fhas_005fcpp_005fattribute.html#g_t_005f_005fhas_005fcpp_005fattribute"><code>__has_cpp_attribute</code></a></td></tr>

  136. <tr><td></td><td valign="top"><a href="_005f_005fhas_005finclude.html#index-_005f_005fhas_005finclude"><code>__has_include</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="_005f_005fhas_005finclude.html#g_t_005f_005fhas_005finclude"><code>__has_include</code></a></td></tr>

  137. <tr><td colspan="4"> <hr></td></tr>

  138. <tr><th><a name="Concept-Index_cp_letter-A">A</a></th><td></td><td></td></tr>

  139. <tr><td></td><td valign="top"><a href="Tokenization.html#index-alternative-tokens">alternative tokens</a>:</td><td>&nbsp;</td><td valign="top"><a href="Tokenization.html#Tokenization">Tokenization</a></td></tr>

  140. <tr><td></td><td valign="top"><a href="Macro-Arguments.html#index-arguments">arguments</a>:</td><td>&nbsp;</td><td valign="top"><a href="Macro-Arguments.html#Macro-Arguments">Macro Arguments</a></td></tr>

  141. <tr><td></td><td valign="top"><a href="Macro-Arguments.html#index-arguments-in-macro-definitions">arguments in macro definitions</a>:</td><td>&nbsp;</td><td valign="top"><a href="Macro-Arguments.html#Macro-Arguments">Macro Arguments</a></td></tr>

  142. <tr><td></td><td valign="top"><a href="Obsolete-Features.html#index-assertions">assertions</a>:</td><td>&nbsp;</td><td valign="top"><a href="Obsolete-Features.html#Obsolete-Features">Obsolete Features</a></td></tr>

  143. <tr><td></td><td valign="top"><a href="Obsolete-Features.html#index-assertions_002c-canceling">assertions, canceling</a>:</td><td>&nbsp;</td><td valign="top"><a href="Obsolete-Features.html#Obsolete-Features">Obsolete Features</a></td></tr>

  144. <tr><td colspan="4"> <hr></td></tr>

  145. <tr><th><a name="Concept-Index_cp_letter-B">B</a></th><td></td><td></td></tr>

  146. <tr><td></td><td valign="top"><a href="Initial-processing.html#index-backslash_002dnewline">backslash-newline</a>:</td><td>&nbsp;</td><td valign="top"><a href="Initial-processing.html#Initial-processing">Initial processing</a></td></tr>

  147. <tr><td></td><td valign="top"><a href="Initial-processing.html#index-block-comments">block comments</a>:</td><td>&nbsp;</td><td valign="top"><a href="Initial-processing.html#Initial-processing">Initial processing</a></td></tr>

  148. <tr><td colspan="4"> <hr></td></tr>

  149. <tr><th><a name="Concept-Index_cp_letter-C">C</a></th><td></td><td></td></tr>

  150. <tr><td></td><td valign="top"><a href="Invocation.html#index-C-language_002c-traditional">C language, traditional</a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>

  151. <tr><td></td><td valign="top"><a href="C_002b_002b-Named-Operators.html#index-C_002b_002b-named-operators">C++ named operators</a>:</td><td>&nbsp;</td><td valign="top"><a href="C_002b_002b-Named-Operators.html#C_002b_002b-Named-Operators">C++ Named Operators</a></td></tr>

  152. <tr><td></td><td valign="top"><a href="Tokenization.html#index-character-constants">character constants</a>:</td><td>&nbsp;</td><td valign="top"><a href="Tokenization.html#Tokenization">Tokenization</a></td></tr>

  153. <tr><td></td><td valign="top"><a href="Invocation.html#index-character-set_002c-execution">character set, execution</a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>

  154. <tr><td></td><td valign="top"><a href="Invocation.html#index-character-set_002c-input">character set, input</a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>

  155. <tr><td></td><td valign="top"><a href="Invocation.html#index-character-set_002c-wide-execution">character set, wide execution</a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>

  156. <tr><td></td><td valign="top"><a href="Invocation.html#index-command-line">command line</a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>

  157. <tr><td></td><td valign="top"><a href="Deleted-Code.html#index-commenting-out-code">commenting out code</a>:</td><td>&nbsp;</td><td valign="top"><a href="Deleted-Code.html#Deleted-Code">Deleted Code</a></td></tr>

  158. <tr><td></td><td valign="top"><a href="Initial-processing.html#index-comments">comments</a>:</td><td>&nbsp;</td><td valign="top"><a href="Initial-processing.html#Initial-processing">Initial processing</a></td></tr>

  159. <tr><td></td><td valign="top"><a href="Common-Predefined-Macros.html#index-common-predefined-macros">common predefined macros</a>:</td><td>&nbsp;</td><td valign="top"><a href="Common-Predefined-Macros.html#Common-Predefined-Macros">Common Predefined Macros</a></td></tr>

  160. <tr><td></td><td valign="top"><a href="Computed-Includes.html#index-computed-includes">computed includes</a>:</td><td>&nbsp;</td><td valign="top"><a href="Computed-Includes.html#Computed-Includes">Computed Includes</a></td></tr>

  161. <tr><td></td><td valign="top"><a href="Concatenation.html#index-concatenation">concatenation</a>:</td><td>&nbsp;</td><td valign="top"><a href="Concatenation.html#Concatenation">Concatenation</a></td></tr>

  162. <tr><td></td><td valign="top"><a href="Ifdef.html#index-conditional-group">conditional group</a>:</td><td>&nbsp;</td><td valign="top"><a href="Ifdef.html#Ifdef">Ifdef</a></td></tr>

  163. <tr><td></td><td valign="top"><a href="Conditionals.html#index-conditionals">conditionals</a>:</td><td>&nbsp;</td><td valign="top"><a href="Conditionals.html#Conditionals">Conditionals</a></td></tr>

  164. <tr><td></td><td valign="top"><a href="Initial-processing.html#index-continued-lines">continued lines</a>:</td><td>&nbsp;</td><td valign="top"><a href="Initial-processing.html#Initial-processing">Initial processing</a></td></tr>

  165. <tr><td></td><td valign="top"><a href="Once_002dOnly-Headers.html#index-controlling-macro">controlling macro</a>:</td><td>&nbsp;</td><td valign="top"><a href="Once_002dOnly-Headers.html#Once_002dOnly-Headers">Once-Only Headers</a></td></tr>

  166. <tr><td colspan="4"> <hr></td></tr>

  167. <tr><th><a name="Concept-Index_cp_letter-D">D</a></th><td></td><td></td></tr>

  168. <tr><td></td><td valign="top"><a href="Defined.html#index-defined"><code>defined</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Defined.html#Defined">Defined</a></td></tr>

  169. <tr><td></td><td valign="top"><a href="Environment-Variables.html#index-dependencies-for-make-as-output">dependencies for make as output</a>:</td><td>&nbsp;</td><td valign="top"><a href="Environment-Variables.html#Environment-Variables">Environment Variables</a></td></tr>

  170. <tr><td></td><td valign="top"><a href="Environment-Variables.html#index-dependencies-for-make-as-output-1">dependencies for make as output</a>:</td><td>&nbsp;</td><td valign="top"><a href="Environment-Variables.html#Environment-Variables">Environment Variables</a></td></tr>

  171. <tr><td></td><td valign="top"><a href="Invocation.html#index-dependencies_002c-make">dependencies, <code>make</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>

  172. <tr><td></td><td valign="top"><a href="Diagnostics.html#index-diagnostic">diagnostic</a>:</td><td>&nbsp;</td><td valign="top"><a href="Diagnostics.html#Diagnostics">Diagnostics</a></td></tr>

  173. <tr><td></td><td valign="top"><a href="Tokenization.html#index-digraphs">digraphs</a>:</td><td>&nbsp;</td><td valign="top"><a href="Tokenization.html#Tokenization">Tokenization</a></td></tr>

  174. <tr><td></td><td valign="top"><a href="The-preprocessing-language.html#index-directive-line">directive line</a>:</td><td>&nbsp;</td><td valign="top"><a href="The-preprocessing-language.html#The-preprocessing-language">The preprocessing language</a></td></tr>

  175. <tr><td></td><td valign="top"><a href="The-preprocessing-language.html#index-directive-name">directive name</a>:</td><td>&nbsp;</td><td valign="top"><a href="The-preprocessing-language.html#The-preprocessing-language">The preprocessing language</a></td></tr>

  176. <tr><td></td><td valign="top"><a href="The-preprocessing-language.html#index-directives">directives</a>:</td><td>&nbsp;</td><td valign="top"><a href="The-preprocessing-language.html#The-preprocessing-language">The preprocessing language</a></td></tr>

  177. <tr><td colspan="4"> <hr></td></tr>

  178. <tr><th><a name="Concept-Index_cp_letter-E">E</a></th><td></td><td></td></tr>

  179. <tr><td></td><td valign="top"><a href="Macro-Arguments.html#index-empty-macro-arguments">empty macro arguments</a>:</td><td>&nbsp;</td><td valign="top"><a href="Macro-Arguments.html#Macro-Arguments">Macro Arguments</a></td></tr>

  180. <tr><td></td><td valign="top"><a href="Environment-Variables.html#index-environment-variables">environment variables</a>:</td><td>&nbsp;</td><td valign="top"><a href="Environment-Variables.html#Environment-Variables">Environment Variables</a></td></tr>

  181. <tr><td></td><td valign="top"><a href="Argument-Prescan.html#index-expansion-of-arguments">expansion of arguments</a>:</td><td>&nbsp;</td><td valign="top"><a href="Argument-Prescan.html#Argument-Prescan">Argument Prescan</a></td></tr>

  182. <tr><td colspan="4"> <hr></td></tr>

  183. <tr><th><a name="Concept-Index_cp_letter-F">F</a></th><td></td><td></td></tr>

  184. <tr><td></td><td valign="top"><a href="GNU-Free-Documentation-License.html#index-FDL_002c-GNU-Free-Documentation-License">FDL, GNU Free Documentation License</a>:</td><td>&nbsp;</td><td valign="top"><a href="GNU-Free-Documentation-License.html#GNU-Free-Documentation-License">GNU Free Documentation License</a></td></tr>

  185. <tr><td></td><td valign="top"><a href="Function_002dlike-Macros.html#index-function_002dlike-macros">function-like macros</a>:</td><td>&nbsp;</td><td valign="top"><a href="Function_002dlike-Macros.html#Function_002dlike-Macros">Function-like Macros</a></td></tr>

  186. <tr><td colspan="4"> <hr></td></tr>

  187. <tr><th><a name="Concept-Index_cp_letter-G">G</a></th><td></td><td></td></tr>

  188. <tr><td></td><td valign="top"><a href="Invocation.html#index-grouping-options">grouping options</a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>

  189. <tr><td></td><td valign="top"><a href="Once_002dOnly-Headers.html#index-guard-macro">guard macro</a>:</td><td>&nbsp;</td><td valign="top"><a href="Once_002dOnly-Headers.html#Once_002dOnly-Headers">Once-Only Headers</a></td></tr>

  190. <tr><td colspan="4"> <hr></td></tr>

  191. <tr><th><a name="Concept-Index_cp_letter-H">H</a></th><td></td><td></td></tr>

  192. <tr><td></td><td valign="top"><a href="Header-Files.html#index-header-file">header file</a>:</td><td>&nbsp;</td><td valign="top"><a href="Header-Files.html#Header-Files">Header Files</a></td></tr>

  193. <tr><td></td><td valign="top"><a href="Tokenization.html#index-header-file-names">header file names</a>:</td><td>&nbsp;</td><td valign="top"><a href="Tokenization.html#Tokenization">Tokenization</a></td></tr>

  194. <tr><td colspan="4"> <hr></td></tr>

  195. <tr><th><a name="Concept-Index_cp_letter-I">I</a></th><td></td><td></td></tr>

  196. <tr><td></td><td valign="top"><a href="Tokenization.html#index-identifiers">identifiers</a>:</td><td>&nbsp;</td><td valign="top"><a href="Tokenization.html#Tokenization">Tokenization</a></td></tr>

  197. <tr><td></td><td valign="top"><a href="Implementation-limits.html#index-implementation-limits">implementation limits</a>:</td><td>&nbsp;</td><td valign="top"><a href="Implementation-limits.html#Implementation-limits">Implementation limits</a></td></tr>

  198. <tr><td></td><td valign="top"><a href="Implementation_002ddefined-behavior.html#index-implementation_002ddefined-behavior">implementation-defined behavior</a>:</td><td>&nbsp;</td><td valign="top"><a href="Implementation_002ddefined-behavior.html#Implementation_002ddefined-behavior">Implementation-defined behavior</a></td></tr>

  199. <tr><td></td><td valign="top"><a href="Once_002dOnly-Headers.html#index-including-just-once">including just once</a>:</td><td>&nbsp;</td><td valign="top"><a href="Once_002dOnly-Headers.html#Once_002dOnly-Headers">Once-Only Headers</a></td></tr>

  200. <tr><td></td><td valign="top"><a href="Invocation.html#index-invocation">invocation</a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>

  201. <tr><td></td><td valign="top"><a href="C_002b_002b-Named-Operators.html#index-iso646_002eh"><samp>iso646.h</samp></a>:</td><td>&nbsp;</td><td valign="top"><a href="C_002b_002b-Named-Operators.html#C_002b_002b-Named-Operators">C++ Named Operators</a></td></tr>

  202. <tr><td colspan="4"> <hr></td></tr>

  203. <tr><th><a name="Concept-Index_cp_letter-L">L</a></th><td></td><td></td></tr>

  204. <tr><td></td><td valign="top"><a href="Initial-processing.html#index-line-comments">line comments</a>:</td><td>&nbsp;</td><td valign="top"><a href="Initial-processing.html#Initial-processing">Initial processing</a></td></tr>

  205. <tr><td></td><td valign="top"><a href="Line-Control.html#index-line-control">line control</a>:</td><td>&nbsp;</td><td valign="top"><a href="Line-Control.html#Line-Control">Line Control</a></td></tr>

  206. <tr><td></td><td valign="top"><a href="Initial-processing.html#index-line-endings">line endings</a>:</td><td>&nbsp;</td><td valign="top"><a href="Initial-processing.html#Initial-processing">Initial processing</a></td></tr>

  207. <tr><td></td><td valign="top"><a href="Preprocessor-Output.html#index-linemarkers">linemarkers</a>:</td><td>&nbsp;</td><td valign="top"><a href="Preprocessor-Output.html#Preprocessor-Output">Preprocessor Output</a></td></tr>

  208. <tr><td colspan="4"> <hr></td></tr>

  209. <tr><th><a name="Concept-Index_cp_letter-M">M</a></th><td></td><td></td></tr>

  210. <tr><td></td><td valign="top"><a href="Argument-Prescan.html#index-macro-argument-expansion">macro argument expansion</a>:</td><td>&nbsp;</td><td valign="top"><a href="Argument-Prescan.html#Argument-Prescan">Argument Prescan</a></td></tr>

  211. <tr><td></td><td valign="top"><a href="Directives-Within-Macro-Arguments.html#index-macro-arguments-and-directives">macro arguments and directives</a>:</td><td>&nbsp;</td><td valign="top"><a href="Directives-Within-Macro-Arguments.html#Directives-Within-Macro-Arguments">Directives Within Macro Arguments</a></td></tr>

  212. <tr><td></td><td valign="top"><a href="Computed-Includes.html#index-macros-in-include">macros in include</a>:</td><td>&nbsp;</td><td valign="top"><a href="Computed-Includes.html#Computed-Includes">Computed Includes</a></td></tr>

  213. <tr><td></td><td valign="top"><a href="Macro-Arguments.html#index-macros-with-arguments">macros with arguments</a>:</td><td>&nbsp;</td><td valign="top"><a href="Macro-Arguments.html#Macro-Arguments">Macro Arguments</a></td></tr>

  214. <tr><td></td><td valign="top"><a href="Variadic-Macros.html#index-macros-with-variable-arguments">macros with variable arguments</a>:</td><td>&nbsp;</td><td valign="top"><a href="Variadic-Macros.html#Variadic-Macros">Variadic Macros</a></td></tr>

  215. <tr><td></td><td valign="top"><a href="Invocation.html#index-make"><code>make</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>

  216. <tr><td></td><td valign="top"><a href="Object_002dlike-Macros.html#index-manifest-constants">manifest constants</a>:</td><td>&nbsp;</td><td valign="top"><a href="Object_002dlike-Macros.html#Object_002dlike-Macros">Object-like Macros</a></td></tr>

  217. <tr><td colspan="4"> <hr></td></tr>

  218. <tr><th><a name="Concept-Index_cp_letter-N">N</a></th><td></td><td></td></tr>

  219. <tr><td></td><td valign="top"><a href="C_002b_002b-Named-Operators.html#index-named-operators">named operators</a>:</td><td>&nbsp;</td><td valign="top"><a href="C_002b_002b-Named-Operators.html#C_002b_002b-Named-Operators">C++ Named Operators</a></td></tr>

  220. <tr><td></td><td valign="top"><a href="Newlines-in-Arguments.html#index-newlines-in-macro-arguments">newlines in macro arguments</a>:</td><td>&nbsp;</td><td valign="top"><a href="Newlines-in-Arguments.html#Newlines-in-Arguments">Newlines in Arguments</a></td></tr>

  221. <tr><td></td><td valign="top"><a href="Other-Directives.html#index-null-directive">null directive</a>:</td><td>&nbsp;</td><td valign="top"><a href="Other-Directives.html#Other-Directives">Other Directives</a></td></tr>

  222. <tr><td></td><td valign="top"><a href="Tokenization.html#index-numbers">numbers</a>:</td><td>&nbsp;</td><td valign="top"><a href="Tokenization.html#Tokenization">Tokenization</a></td></tr>

  223. <tr><td colspan="4"> <hr></td></tr>

  224. <tr><th><a name="Concept-Index_cp_letter-O">O</a></th><td></td><td></td></tr>

  225. <tr><td></td><td valign="top"><a href="Object_002dlike-Macros.html#index-object_002dlike-macro">object-like macro</a>:</td><td>&nbsp;</td><td valign="top"><a href="Object_002dlike-Macros.html#Object_002dlike-Macros">Object-like Macros</a></td></tr>

  226. <tr><td></td><td valign="top"><a href="Invocation.html#index-options">options</a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>

  227. <tr><td></td><td valign="top"><a href="Invocation.html#index-options_002c-grouping">options, grouping</a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>

  228. <tr><td></td><td valign="top"><a href="Tokenization.html#index-other-tokens">other tokens</a>:</td><td>&nbsp;</td><td valign="top"><a href="Tokenization.html#Tokenization">Tokenization</a></td></tr>

  229. <tr><td></td><td valign="top"><a href="Preprocessor-Output.html#index-output-format">output format</a>:</td><td>&nbsp;</td><td valign="top"><a href="Preprocessor-Output.html#Preprocessor-Output">Preprocessor Output</a></td></tr>

  230. <tr><td></td><td valign="top"><a href="Wrapper-Headers.html#index-overriding-a-header-file">overriding a header file</a>:</td><td>&nbsp;</td><td valign="top"><a href="Wrapper-Headers.html#Wrapper-Headers">Wrapper Headers</a></td></tr>

  231. <tr><td colspan="4"> <hr></td></tr>

  232. <tr><th><a name="Concept-Index_cp_letter-P">P</a></th><td></td><td></td></tr>

  233. <tr><td></td><td valign="top"><a href="Operator-Precedence-Problems.html#index-parentheses-in-macro-bodies">parentheses in macro bodies</a>:</td><td>&nbsp;</td><td valign="top"><a href="Operator-Precedence-Problems.html#Operator-Precedence-Problems">Operator Precedence Problems</a></td></tr>

  234. <tr><td></td><td valign="top"><a href="Macro-Pitfalls.html#index-pitfalls-of-macros">pitfalls of macros</a>:</td><td>&nbsp;</td><td valign="top"><a href="Macro-Pitfalls.html#Macro-Pitfalls">Macro Pitfalls</a></td></tr>

  235. <tr><td></td><td valign="top"><a href="Pragmas.html#index-pragma-directive">pragma directive</a>:</td><td>&nbsp;</td><td valign="top"><a href="Pragmas.html#Pragmas">Pragmas</a></td></tr>

  236. <tr><td></td><td valign="top"><a href="Predefined-Macros.html#index-predefined-macros">predefined macros</a>:</td><td>&nbsp;</td><td valign="top"><a href="Predefined-Macros.html#Predefined-Macros">Predefined Macros</a></td></tr>

  237. <tr><td></td><td valign="top"><a href="System_002dspecific-Predefined-Macros.html#index-predefined-macros_002c-system_002dspecific">predefined macros, system-specific</a>:</td><td>&nbsp;</td><td valign="top"><a href="System_002dspecific-Predefined-Macros.html#System_002dspecific-Predefined-Macros">System-specific Predefined Macros</a></td></tr>

  238. <tr><td></td><td valign="top"><a href="Obsolete-Features.html#index-predicates">predicates</a>:</td><td>&nbsp;</td><td valign="top"><a href="Obsolete-Features.html#Obsolete-Features">Obsolete Features</a></td></tr>

  239. <tr><td></td><td valign="top"><a href="The-preprocessing-language.html#index-preprocessing-directives">preprocessing directives</a>:</td><td>&nbsp;</td><td valign="top"><a href="The-preprocessing-language.html#The-preprocessing-language">The preprocessing language</a></td></tr>

  240. <tr><td></td><td valign="top"><a href="Tokenization.html#index-preprocessing-numbers">preprocessing numbers</a>:</td><td>&nbsp;</td><td valign="top"><a href="Tokenization.html#Tokenization">Tokenization</a></td></tr>

  241. <tr><td></td><td valign="top"><a href="Tokenization.html#index-preprocessing-tokens">preprocessing tokens</a>:</td><td>&nbsp;</td><td valign="top"><a href="Tokenization.html#Tokenization">Tokenization</a></td></tr>

  242. <tr><td></td><td valign="top"><a href="Argument-Prescan.html#index-prescan-of-macro-arguments">prescan of macro arguments</a>:</td><td>&nbsp;</td><td valign="top"><a href="Argument-Prescan.html#Argument-Prescan">Argument Prescan</a></td></tr>

  243. <tr><td></td><td valign="top"><a href="Macro-Pitfalls.html#index-problems-with-macros">problems with macros</a>:</td><td>&nbsp;</td><td valign="top"><a href="Macro-Pitfalls.html#Macro-Pitfalls">Macro Pitfalls</a></td></tr>

  244. <tr><td></td><td valign="top"><a href="Tokenization.html#index-punctuators">punctuators</a>:</td><td>&nbsp;</td><td valign="top"><a href="Tokenization.html#Tokenization">Tokenization</a></td></tr>

  245. <tr><td colspan="4"> <hr></td></tr>

  246. <tr><th><a name="Concept-Index_cp_letter-R">R</a></th><td></td><td></td></tr>

  247. <tr><td></td><td valign="top"><a href="Undefining-and-Redefining-Macros.html#index-redefining-macros">redefining macros</a>:</td><td>&nbsp;</td><td valign="top"><a href="Undefining-and-Redefining-Macros.html#Undefining-and-Redefining-Macros">Undefining and Redefining Macros</a></td></tr>

  248. <tr><td></td><td valign="top"><a href="Once_002dOnly-Headers.html#index-repeated-inclusion">repeated inclusion</a>:</td><td>&nbsp;</td><td valign="top"><a href="Once_002dOnly-Headers.html#Once_002dOnly-Headers">Once-Only Headers</a></td></tr>

  249. <tr><td></td><td valign="top"><a href="Diagnostics.html#index-reporting-errors">reporting errors</a>:</td><td>&nbsp;</td><td valign="top"><a href="Diagnostics.html#Diagnostics">Diagnostics</a></td></tr>

  250. <tr><td></td><td valign="top"><a href="Diagnostics.html#index-reporting-warnings">reporting warnings</a>:</td><td>&nbsp;</td><td valign="top"><a href="Diagnostics.html#Diagnostics">Diagnostics</a></td></tr>

  251. <tr><td></td><td valign="top"><a href="System_002dspecific-Predefined-Macros.html#index-reserved-namespace">reserved namespace</a>:</td><td>&nbsp;</td><td valign="top"><a href="System_002dspecific-Predefined-Macros.html#System_002dspecific-Predefined-Macros">System-specific Predefined Macros</a></td></tr>

  252. <tr><td colspan="4"> <hr></td></tr>

  253. <tr><th><a name="Concept-Index_cp_letter-S">S</a></th><td></td><td></td></tr>

  254. <tr><td></td><td valign="top"><a href="Self_002dReferential-Macros.html#index-self_002dreference">self-reference</a>:</td><td>&nbsp;</td><td valign="top"><a href="Self_002dReferential-Macros.html#Self_002dReferential-Macros">Self-Referential Macros</a></td></tr>

  255. <tr><td></td><td valign="top"><a href="Swallowing-the-Semicolon.html#index-semicolons-_0028after-macro-calls_0029">semicolons (after macro calls)</a>:</td><td>&nbsp;</td><td valign="top"><a href="Swallowing-the-Semicolon.html#Swallowing-the-Semicolon">Swallowing the Semicolon</a></td></tr>

  256. <tr><td></td><td valign="top"><a href="Duplication-of-Side-Effects.html#index-side-effects-_0028in-macro-arguments_0029">side effects (in macro arguments)</a>:</td><td>&nbsp;</td><td valign="top"><a href="Duplication-of-Side-Effects.html#Duplication-of-Side-Effects">Duplication of Side Effects</a></td></tr>

  257. <tr><td></td><td valign="top"><a href="Standard-Predefined-Macros.html#index-standard-predefined-macros_002e">standard predefined macros.</a>:</td><td>&nbsp;</td><td valign="top"><a href="Standard-Predefined-Macros.html#Standard-Predefined-Macros">Standard Predefined Macros</a></td></tr>

  258. <tr><td></td><td valign="top"><a href="Tokenization.html#index-string-constants">string constants</a>:</td><td>&nbsp;</td><td valign="top"><a href="Tokenization.html#Tokenization">Tokenization</a></td></tr>

  259. <tr><td></td><td valign="top"><a href="Tokenization.html#index-string-literals">string literals</a>:</td><td>&nbsp;</td><td valign="top"><a href="Tokenization.html#Tokenization">Tokenization</a></td></tr>

  260. <tr><td></td><td valign="top"><a href="Stringizing.html#index-stringizing">stringizing</a>:</td><td>&nbsp;</td><td valign="top"><a href="Stringizing.html#Stringizing">Stringizing</a></td></tr>

  261. <tr><td></td><td valign="top"><a href="Object_002dlike-Macros.html#index-symbolic-constants">symbolic constants</a>:</td><td>&nbsp;</td><td valign="top"><a href="Object_002dlike-Macros.html#Object_002dlike-Macros">Object-like Macros</a></td></tr>

  262. <tr><td></td><td valign="top"><a href="Header-Files.html#index-system-header-files">system header files</a>:</td><td>&nbsp;</td><td valign="top"><a href="Header-Files.html#Header-Files">Header Files</a></td></tr>

  263. <tr><td></td><td valign="top"><a href="System-Headers.html#index-system-header-files-1">system header files</a>:</td><td>&nbsp;</td><td valign="top"><a href="System-Headers.html#System-Headers">System Headers</a></td></tr>

  264. <tr><td></td><td valign="top"><a href="System_002dspecific-Predefined-Macros.html#index-system_002dspecific-predefined-macros">system-specific predefined macros</a>:</td><td>&nbsp;</td><td valign="top"><a href="System_002dspecific-Predefined-Macros.html#System_002dspecific-Predefined-Macros">System-specific Predefined Macros</a></td></tr>

  265. <tr><td colspan="4"> <hr></td></tr>

  266. <tr><th><a name="Concept-Index_cp_letter-T">T</a></th><td></td><td></td></tr>

  267. <tr><td></td><td valign="top"><a href="Obsolete-Features.html#index-testing-predicates">testing predicates</a>:</td><td>&nbsp;</td><td valign="top"><a href="Obsolete-Features.html#Obsolete-Features">Obsolete Features</a></td></tr>

  268. <tr><td></td><td valign="top"><a href="Concatenation.html#index-token-concatenation">token concatenation</a>:</td><td>&nbsp;</td><td valign="top"><a href="Concatenation.html#Concatenation">Concatenation</a></td></tr>

  269. <tr><td></td><td valign="top"><a href="Concatenation.html#index-token-pasting">token pasting</a>:</td><td>&nbsp;</td><td valign="top"><a href="Concatenation.html#Concatenation">Concatenation</a></td></tr>

  270. <tr><td></td><td valign="top"><a href="Tokenization.html#index-tokens">tokens</a>:</td><td>&nbsp;</td><td valign="top"><a href="Tokenization.html#Tokenization">Tokenization</a></td></tr>

  271. <tr><td></td><td valign="top"><a href="Invocation.html#index-traditional-C-language">traditional C language</a>:</td><td>&nbsp;</td><td valign="top"><a href="Invocation.html#Invocation">Invocation</a></td></tr>

  272. <tr><td></td><td valign="top"><a href="Initial-processing.html#index-trigraphs">trigraphs</a>:</td><td>&nbsp;</td><td valign="top"><a href="Initial-processing.html#Initial-processing">Initial processing</a></td></tr>

  273. <tr><td colspan="4"> <hr></td></tr>

  274. <tr><th><a name="Concept-Index_cp_letter-U">U</a></th><td></td><td></td></tr>

  275. <tr><td></td><td valign="top"><a href="Undefining-and-Redefining-Macros.html#index-undefining-macros">undefining macros</a>:</td><td>&nbsp;</td><td valign="top"><a href="Undefining-and-Redefining-Macros.html#Undefining-and-Redefining-Macros">Undefining and Redefining Macros</a></td></tr>

  276. <tr><td></td><td valign="top"><a href="Duplication-of-Side-Effects.html#index-unsafe-macros">unsafe macros</a>:</td><td>&nbsp;</td><td valign="top"><a href="Duplication-of-Side-Effects.html#Duplication-of-Side-Effects">Duplication of Side Effects</a></td></tr>

  277. <tr><td colspan="4"> <hr></td></tr>

  278. <tr><th><a name="Concept-Index_cp_letter-V">V</a></th><td></td><td></td></tr>

  279. <tr><td></td><td valign="top"><a href="Variadic-Macros.html#index-variable-number-of-arguments">variable number of arguments</a>:</td><td>&nbsp;</td><td valign="top"><a href="Variadic-Macros.html#Variadic-Macros">Variadic Macros</a></td></tr>

  280. <tr><td></td><td valign="top"><a href="Variadic-Macros.html#index-variadic-macros">variadic macros</a>:</td><td>&nbsp;</td><td valign="top"><a href="Variadic-Macros.html#Variadic-Macros">Variadic Macros</a></td></tr>

  281. <tr><td colspan="4"> <hr></td></tr>

  282. <tr><th><a name="Concept-Index_cp_letter-W">W</a></th><td></td><td></td></tr>

  283. <tr><td></td><td valign="top"><a href="Once_002dOnly-Headers.html#index-wrapper-_0023ifndef">wrapper <code>#ifndef</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="Once_002dOnly-Headers.html#Once_002dOnly-Headers">Once-Only Headers</a></td></tr>

  284. <tr><td></td><td valign="top"><a href="Wrapper-Headers.html#index-wrapper-headers">wrapper headers</a>:</td><td>&nbsp;</td><td valign="top"><a href="Wrapper-Headers.html#Wrapper-Headers">Wrapper Headers</a></td></tr>

  285. <tr><td colspan="4"> <hr></td></tr>

  286. </table>

  287. <table><tr><th valign="top">Jump to: &nbsp; </th><td><a class="summary-letter" href="#Concept-Index_cp_symbol-1"><b>#</b></a>

  288.  &nbsp; 

  289. <a class="summary-letter" href="#Concept-Index_cp_symbol-2"><b>_</b></a>

  290.  &nbsp; 

  291. <br>

  292. <a class="summary-letter" href="#Concept-Index_cp_letter-A"><b>A</b></a>

  293.  &nbsp; 

  294. <a class="summary-letter" href="#Concept-Index_cp_letter-B"><b>B</b></a>

  295.  &nbsp; 

  296. <a class="summary-letter" href="#Concept-Index_cp_letter-C"><b>C</b></a>

  297.  &nbsp; 

  298. <a class="summary-letter" href="#Concept-Index_cp_letter-D"><b>D</b></a>

  299.  &nbsp; 

  300. <a class="summary-letter" href="#Concept-Index_cp_letter-E"><b>E</b></a>

  301.  &nbsp; 

  302. <a class="summary-letter" href="#Concept-Index_cp_letter-F"><b>F</b></a>

  303.  &nbsp; 

  304. <a class="summary-letter" href="#Concept-Index_cp_letter-G"><b>G</b></a>

  305.  &nbsp; 

  306. <a class="summary-letter" href="#Concept-Index_cp_letter-H"><b>H</b></a>

  307.  &nbsp; 

  308. <a class="summary-letter" href="#Concept-Index_cp_letter-I"><b>I</b></a>

  309.  &nbsp; 

  310. <a class="summary-letter" href="#Concept-Index_cp_letter-L"><b>L</b></a>

  311.  &nbsp; 

  312. <a class="summary-letter" href="#Concept-Index_cp_letter-M"><b>M</b></a>

  313.  &nbsp; 

  314. <a class="summary-letter" href="#Concept-Index_cp_letter-N"><b>N</b></a>

  315.  &nbsp; 

  316. <a class="summary-letter" href="#Concept-Index_cp_letter-O"><b>O</b></a>

  317.  &nbsp; 

  318. <a class="summary-letter" href="#Concept-Index_cp_letter-P"><b>P</b></a>

  319.  &nbsp; 

  320. <a class="summary-letter" href="#Concept-Index_cp_letter-R"><b>R</b></a>

  321.  &nbsp; 

  322. <a class="summary-letter" href="#Concept-Index_cp_letter-S"><b>S</b></a>

  323.  &nbsp; 

  324. <a class="summary-letter" href="#Concept-Index_cp_letter-T"><b>T</b></a>

  325.  &nbsp; 

  326. <a class="summary-letter" href="#Concept-Index_cp_letter-U"><b>U</b></a>

  327.  &nbsp; 

  328. <a class="summary-letter" href="#Concept-Index_cp_letter-V"><b>V</b></a>

  329.  &nbsp; 

  330. <a class="summary-letter" href="#Concept-Index_cp_letter-W"><b>W</b></a>

  331.  &nbsp; 

  332. </td></tr></table>

  333. 

  334. <hr>

  335. <div class="header">

  336. <p>

  337. Previous: <a href="Option-Index.html#Option-Index" accesskey="p" rel="prev">Option Index</a>, Up: <a href="index.html#Top" accesskey="u" rel="up">Top</a> &nbsp; [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Index-of-Directives.html#Index-of-Directives" title="Index" rel="index">Index</a>]</p>

  338. </div>

  339. 

  340. 

  341. 

  342. </body>

  343. </html>