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- <h2 class="sectionedit1"><a name="include" id="include">#include</a></h2>
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- <p>
- Syntax:
- </p>
- <pre class="cpp code cpp"> <span class="co2">#include <filename></span>
- <span class="co2">#include "filename"</span></pre>
- <p>
- This command slurps in a file and inserts it at the current location. The main
- difference between the syntax of the two items is that if filename is enclosed
- in angled brackets, then the compiler searches for it somehow. If it is
- enclosed in quotes, then the compiler doesn't search very hard for the file.
- </p>
- <p>
- While the behavior of these two searches is up to the compiler, usually the
- angled brackets means to search through the standard library directories, while
- the quotes indicate a search in the current directory. The spiffy new C++
- #include commands don't need to map directly to filenames, at least not for the
- standard libraries. That's why you can get away with
- </p>
- <pre class="cpp code cpp"> <span class="co2">#include <iostream></span></pre>
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- …and not have the compiler choke on you.
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