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<p id="mwBg"><b id="mwBw">stdbool.h</b> é um <a rel="mw:WikiLink" href="Arquivo_cabe%C3%A7alho" title="Arquivo cabeçalho" class="mw-redirect" id="mwCA">arquivo cabeçalho</a> da <a rel="mw:WikiLink" href="Biblioteca_padr%C3%A3o_do_C" title="Biblioteca padrão do C" id="mwCQ">biblioteca padrão</a> da <a rel="mw:WikiLink" href="Linguagem_de_programa%C3%A7%C3%A3o_C" title="Linguagem de programação C" class="mw-redirect" id="mwCg">linguagem de programação C</a> que foi introduzido a partir de <a rel="mw:WikiLink" href="1999" title="1999" id="mwCw">1999</a>, com <a rel="mw:WikiLink" href="C99" title="C99" class="mw-redirect" id="mwDA">C99</a>. É usada para manipular variáveis lógicas, como verdadeiro e falso. Pode ser substituída pela utilização de valores inteiro, sua função é simplesmente facilitar a compreensão do código. Ela é um pouco mais complexas que as outras básicas, mas podemos entende-la perfeitamente.</p>

<p id="mwDQ">É formada por quatro <a rel="mw:WikiLink" href="Macros" title="Macros" class="mw-redirect" id="mwDg">macros</a>, definidos no IEEE Std 1003.1-2001 são eles:</p>

<ul id="mwDw"><li id="mwEA"><b id="mwEQ">bool</b> tipo de função que retorna valores lógicos</li>
<li id="mwEg"><b id="mwEw">true</b> equivale a <i id="mwFA">verdadeiro</i> ou também 1</li>
<li id="mwFQ"><b id="mwFg">false</b> representa falso ou 0</li>
<li id="mwFw"><b id="mwGA">__bool_true_false_are_defined</b> significa 1</li></ul>

</section><section data-mw-section-id="1" id="mwGQ" aria-labelledby="Ligações_externas"><div class="mw-heading mw-heading2"><h2 id="Ligações_externas"><span id="Liga.C3.A7.C3.B5es_externas" typeof="mw:FallbackId"></span>Ligações externas</h2></div>
<ul id="mwGg"><li id="mwGw"><a rel="mw:ExtLink nofollow" href="http://www.opengroup.org/onlinepubs/9699919799/basedefs/stdbool.h.html" class="external text" id="mwHA">&lt;stdbool.h&gt; Open Group</a></li></ul>

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