📄 assert.h.html

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"><html><head><!-- Copyright 1997 The Open Group, All Rights Reserved --><title>&lt;assert.h&gt;</title></head><body bgcolor=white><center><font size=2>The Single UNIX &reg; Specification, Version 2<br>Copyright &copy; 1997 The Open Group</font></center><hr size=2 noshade><h4><a name = "tag_000_001_197">&nbsp;</a>NAME</h4><blockquote>assert.h - verify program assertion</blockquote><h4><a name = "tag_000_001_198">&nbsp;</a>SYNOPSIS</h4><blockquote><pre><code>#include &lt;assert.h&gt;</code></pre></blockquote><h4><a name = "tag_000_001_199">&nbsp;</a>DESCRIPTION</h4><blockquote>The<i>&lt;assert.h&gt;</i>header defines the<i><a href="assert.html">assert()</a></i>macro.  It refers to the macro<i>NDEBUG</i>which is not defined in the header.  If<i>NDEBUG</i>is defined as a macro name before the inclusion of this header, the<i><a href="assert.html">assert()</a></i>macro is defined simply as:<pre><code>#define assert(ignore)((void) 0)</code></pre><p>otherwise the macro behaves as described in<i><a href="assert.html">assert()</a></i>.<p>The<i><a href="assert.html">assert()</a></i>macrois implemented as a macro, not as a function.  If the macrodefinition is suppressed in order to access an actual function,the behaviour is undefined.</blockquote><h4><a name = "tag_000_001_200">&nbsp;</a>APPLICATION USAGE</h4><blockquote>None.</blockquote><h4><a name = "tag_000_001_201">&nbsp;</a>FUTURE DIRECTIONS</h4><blockquote>None.</blockquote><h4><a name = "tag_000_001_202">&nbsp;</a>SEE ALSO</h4><blockquote><i><a href="assert.html">assert()</a></i>.</blockquote><hr size=2 noshade><center><font size=2>UNIX &reg; is a registered Trademark of The Open Group.<br>Copyright &copy; 1997 The Open Group<br> [ <a href="../index.html">Main Index</a> | <a href="../xshix.html">XSH</a> | <a href="../xcuix.html">XCU</a> | <a href="../xbdix.html">XBD</a> | <a href="../cursesix.html">XCURSES</a> | <a href="../xnsix.html">XNS</a> ]</font></center><hr size=2 noshade></body></html>

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