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<hr /> <dl class='group--doc'> <dt class='head--type'><span class='homogen--type'>Directive</span> <span class='homogen--name'><b>#define</b></span> </dt> <dd><p><code class='directive'>#define</code></p></dd> <dt class='head--doc'>Description</dt> <dd class='body--doc'><p>This directive is used to define or redefine a cpp macro.</p> <p> The simplest way to use define is to write</p>
-
<pre><code>#define
<
identifier
>
<
replacement string
>
</code></pre><p>which will cause all subsequent occurances of <tt><b><i><identifier</i></b></tt>
+
<pre><code>#define
<
identifier
>
<
replacement string
>
</code></pre><p>which will cause all subsequent occurances of <tt><b><i><identifier</i></b></tt>
to be replaced with the <tt><i><replacement string></i></tt>.</p> <p> Define also has the capability to use arguments, thus a line like</p>
-
<pre><code>#define
<
identifier
>
(arg1, arg2)
<
replacement string
>
</code></pre><p>would cause <tt><b><i><identifer></i></b></tt> to be a macro. All occurances of
+
<pre><code>#define
<
identifier
>
(arg1, arg2)
<
replacement string
>
</code></pre><p>would cause <tt><b><i><identifer></i></b></tt> to be a macro. All occurances of
'<tt><b><i><identifier></i></b>(something1,something2d)</tt>' would be replaced with the <tt><i><replacement string></i></tt>. And in the <tt><i><replacement string></i></tt>, <tt>arg1</tt> and <tt>arg2</tt> will be replaced with <tt>something1</tt> and <tt>something2</tt>.</p> </dd></dl> </article> <footer> <hr size="1" noshade="1" /> </footer> </div> </div> </body> <script>PikeDoc.current = {"link":"ex/cpp_3A_3A/_23define.html","name":"#define"};</script> <script src='../../ex/cpp_3A_3A/index.js'></script> <script src='../../ex/cpp_3A_3A/load_index.js'></script> </html>