<!---

                                                                                                                       
                                                                                                                       
                                                                                                                       
                                                                     .   .                                             
                                                                     .                                                 
                                                                  ..       .                                           
                                                                 .                                                     
                                                                 .         ..                                          
                                                                           .                                           
                                                               ..          .                                           
                       .....                                  ..           ..                                          
                    .     . .   ....                           .                                                       
                      .        .  ... .. .                    ..           .                                           
                 . .                     .......               .          ..                                           
               .  .              .            ..               .          ..           ....                            
                                 .                . . .        .          .         ....... .                          
              .                  .                    ....               .         . .      ..                         
             .                   .                        .  . .                  .          .                         
              .                  .                           . .                 .            .                        
            ..    ..             .           .   . .             .     .        .            .                         
                 .,,,            .         . ..    .           ....              .           ..                        
           ..    .,,,    ,,     ..          . .                    . . .        .            ..                        
           .     .,,,   ,,,.    .         ...*@@;    .                          .            .                         
                  ,,.   ,,,,              . ~@@@@.   .               . .      ..             .                         
           .            ,,,.    .         . ;@@@#.   ..                  .                  ..                         
           .             ..    .          . .@@@~    ..      .  .           . .             .                          
           .                               . .-,               . ..           .            ..                          
                               .                    .                                     ..                           
                             .             .        .     .        ..        ....        .                             
           ..                 .             ....  ...     . .-~,    ..          ..      .                              
             .              ..                .  .        . =@@@:    .            .    .                              
                                                         . -@@@@#                  .  ..                              
               .          .                              . ,@@@@!                   ..                                 
                .         .                              .  ;##=                   . .                                 
              .    ...  .                                 .  .       .                .                                
                   ..                                     .                           .                                
                  .                                       ..        .                  .                               
                 . .                                       .        .                  ..                              
                  . .                                        ......                                                    
                   . .                                                                                                 
                      .                                                                  .                             
                     . .                                                                                               
                      .  .                                                                .                            
                        .                                                                  .                           
                         .. .                                                                                          
                           .                                                                                           
                             . ...                                                                                     
                               .  .                                                         .                          
                                ...                                                         .                          
                               .                                                            ..                          
                             ..                                                              .                         
                             .                                                               .                         
                             .                                                               .                                        
                                     ,.                                                      .                         
                            .        ,.                                                      .                         
                            .        ..                                                      .                         
                            .        ,,                                                      .                         
                            .        .,.                                                     .                         
                            .         ,,                                                    ..                         
                            .         .,.                    .,,                             .                         
                            .          ,,.                  .,,,                            ..                         
                                       .,,.                .,,,.                                                       
                             .          .,,..            ..,,,                             .                           
                            ..            .,,..        ..,,,,.                             .                           
                             .             ..,,,,.....,,,,,.                               .                           
                                             ..,,,,,,,.,,..                                                            
                             .                  ........                                   .                           
                                                                                         .                             
                              .                                                           .                            
                                .                                                                                      
                                                                                         .                             
                                . .                                                                                    
                                                                                      ...                              
                                  .                                                                                    
                                                                                      .                                
                                  ..  .                                              .                                 
                                 ....                                             .                                    
                                ......   .                                      .    .                                 
                                .......                                            ....                                
                               .........                                         ......                                
                              ............     ..                                .......                               
                              ............... .   ..                     .    ...........                              
                             ..................   . ......        .....      ............                              
                             .....................    ..  .               ...............                              
                            ..........................  .          .   .................                               
                            ............................................................                               
                           ..............................................................                              
                           ................................................................                            
                          ..................................................................                           
                          ..................................................................                           
                          ...................................................................                          
                         ....................................................................                          
                         ....................................................................                          
                        ......................................................................                         
                        ......................................................................                         
                        ......................................................................                         
                        .......................................................................                        
                       ........................................................................                        
                       ........................................................................                        
                       ........................................................................                        
                       .........................................................................                       
                      ..........................................................................                       
                      ..........................................................................                       
                      ..........................................................................                       
                      ...........................................................................                      
                     ............................................................................                      
                     ............................................................................                                        
                     .............................................................................                     
                    ..............................................................................                     
                    ..............................................................................                     
                    ..............................................................................                                      
                    ..............................................................................                     
                    ...............................................................................                    
                   ................................................................................                                    
                   ................................................................................                    
                   ................................................................................                    
                   .................................................................................                   
                   .................................................................................                   
                  ..................................................................................                   
                  ..................................................................................                   
                  ..................................................................................                   
                   ................................................................................                    
                                             .  .                             . .
                                             .  .                             . .                                          
                                             .   .                            . .                                          
                                      ....,    ,,-,,,,-------,--,,,,,,,,....                                           
                            ..,,,,---------.   ,-----------------------------,   .,,,.                                 
                       .,------------------.   ,-----------------------------,   .-------,,                            
                   .,---------~;;;:~~~--,,-.   ,----------------~:;;;~~~--,,-,   .-----------,.                        
                 ,----------!@@@@@@@@@#$=*;-,. ,--------------!$@@@@@@@@@$==!:,. .--------------,                      
               ,-----------:@@@@@@@@@@@@@@@@@@$*-------------;@@@@@@@@@@@@@@@@@@$=~---------------.                    
              .------------;@@@@@@@@@@@@@@@@@@@@~------------!@@@@@@@@@@@@@@@@@@@@;---------------,                    
               ,-----------~@@@@@@@@@@@@@@@@@@@#-------------~@@@@@@@@@@@@@@@@@@@@:---------------                     
                 ,----------~=@@@@@@@@@@@@#=**;---------------~!#@@@@@@@@@@@@$=*!:-------------,.                      
                    .,----------::::------------------------------~:::~---------------------,.                         
                         .,,,---------------------------------------------------------,,,.                             
                               ...,,,,--------------------------------------,,,....                                    
                                             .........,,,,,,,,........                                                 
                                                                                                                       
                                                                                                                       
                                                                                                                       
                                                                                                                       
-->
<!DOCTYPE HTML>
<html lang="zh">
<head>
<script> delete api;
delete FlCall; </script>
<meta charset="UTF-8">
<title>object-c | liukuan.net</title>
<link rel="shortcut icon" href="/favicon.ico" />
<link rel="stylesheet" type="text/css" href="https://liukuan.net/usr/plugins/CodeBox/css/codebox.css" />
<meta name="keywords" content="object-c" />
<meta name="generator" content="Typecho 0.8/10.8.15" />
<meta name="template" content="aeros" />
<link rel="pingback" href="https://liukuan.net/action/xmlrpc" />
<link rel="EditURI" type="application/rsd+xml" title="RSD" href="https://liukuan.net/action/xmlrpc?rsd" />
<link rel="wlwmanifest" type="application/wlwmanifest+xml" href="https://liukuan.net/action/xmlrpc?wlw" />
<link rel="alternate" type="application/rss+xml" title="RSS 2.0" href="https://liukuan.net/feed/category/ob-c/" />
<link rel="alternate" type="application/rdf+xml" title="RSS 1.0" href="https://liukuan.net/feed/rss/category/ob-c/" />
<link rel="alternate" type="application/atom+xml" title="ATOM 1.0" href="https://liukuan.net/feed/atom/category/ob-c/" />
<link rel="stylesheet" type="text/css" media="screen" href="https://liukuan.net/usr/themes/aeros/style.css" />
<link rel="stylesheet" type="text/css" media="print" href="https://liukuan.net/usr/themes/aeros/print.css" />
<!--[if IE]><script src="https://liukuan.net/usr/themes/aeros/html5.js"></script><![endif]-->
<body onload="" style='background-image:url(/usr/themes/aeros/images/bg19.jpg);background-repeat:no-repeat;'>
<link rel="stylesheet" href="/usr/themes/aeros/styles/default.css">
<script src="/usr/themes/aeros/styles/highlight.pack.js"></script>
<script>
//hljs.initHighlightingOnLoad();

</script>

</head>

<link rel="stylesheet" type="text/css" href="/usrs/themes/aeros/bgstretcher.css" />
<script type="text/javascript" src="/usrs/themes/aeros/bgstretcher.js"></script>
<script type="text/javascript" src="/usrs/themes/aeros/main.js"></script>
<script type="text/javascript">

$(document).ready(function(){ 

	var img = null;
	if(img == null){
		img = ['/usr/themes/aeros/images/bg20.jpg', 
			   '/usr/themes/aeros/images/bg18.jpg', 
			   '/usr/themes/aeros/images/bg7.jpg', 
			   '/usr/themes/aeros/images/bg2.jpg',
			   '/usr/themes/aeros/images/bg5.jpg', 
			   '/usr/themes/aeros/images/bg4.jpg',
                           '/usr/themes/aeros/images/bg13.jpg',
                           '/usr/themes/aeros/images/bg16.jpg',
                           '/usr/themes/aeros/images/bg15.jpg',
                           '/usr/themes/aeros/images/bg2.jpg',
                           '/usr/themes/aeros/images/bg12.jpg',
                           '/usr/themes/aeros/images/bg4.jpg',
                           '/usr/themes/aeros/images/bg10.jpg',
                           '/usr/themes/aeros/images/bg12.jpg',
                           '/usr/themes/aeros/images/bg3.jpg',
                           '/usr/themes/aeros/images/bg8.jpg',
                           '/usr/themes/aeros/images/bg1.jpg',
                           '/usr/themes/aeros/images/bg4.jpg',
                           '/usr/themes/aeros/images/bg1.jpg',
                           '/usr/themes/aeros/images/bg6.jpg',
                           '/usr/themes/aeros/images/bg6.jpg',
                           '/usr/themes/aeros/images/bg8.jpg'
			   ];
	}
	$('BODY').bgStretcher({
		images: img,
		// 图片宽
		imageWidth: 1024, 
		// 图片高
		imageHeight: 768, 
		// 图片切换方向
		slideDirection: 'N',
		// 切换收缩的速度
		slideShowSpeed: 3000,
		// 图片切换速度(1000表示1秒)
		nextSlideDelay: 6000, 
		// 默认初始化切换方式
		transitionEffect: 'fade',
		// 切换序列模式
		sequenceMode: 'normal',
		// 上一张
		buttonPrev: '#prev',
		// 下一张
		buttonNext: '#next',
		// 页数
		pagination: '#nav',
		anchoring: 'left bottom',
		anchoringImg: 'left bottom'
	});	
});

;(function(){
    var hashList = ['→_→','~o( =∩ω∩= )m','(─.─|||','凸^-^凸','₍₍ ◝(　ﾟ∀ ﾟ )◟⁾⁾','(☄⊙ω⊙)☄','⊙▽⊙','（＃￣～￣＃）','╮(╯▽╰)╭','┗( T﹏T )┛','(ToT)/~~~','＜（＾－＾）＞'];

    window.document.location.hash = '_______________' + hashList[parseInt(Math.random()  * hashList.length)];
})();
</script>



<body>

<section id="wrapper">

	<nav>
    	<menu>
<a onclick="uuu()" style="display:none;">111111111</a>
						<li ><a href="https://liukuan.net/">首页</a></li>
						<li >
			<a href="https://liukuan.net/about/">关于</a></li>
					</menu>
	</nav>

	<header>
		<figure>
			<h1><a href="https://liukuan.net/">liukuan.net</a></h1>
			<p>liukuan.net，发现，记录，分享</p>
		</figure>
					<p><a href="https://liukuan.net/feed/" title="博客订阅"></a></p>
			</header>
    
    <section id="container">
<section id="mainBox">


		
		<figure>
			<time datetime="2014-08-06">
				Aug<br /><span class="month">06</span><br />2014			</time>
            <a href="https://liukuan.net/note/100.html">0</a>
        </figure>

		<article>
			<h2 class="title"><a href="https://liukuan.net/note/100.html">数据段、代码段、堆栈段、BSS段的区别</a></h2>
			<section class="content">5个数据段
       进程（执行的程序）会占用一定数量的内存，它或是用来存放从磁盘载入的程序代码，或是存放取自用户输入的数据等等。不过进程对这些内存的管理方式因内存用途 不一而不尽相同，有些内存...</section>
			<section class="meta">
				作者：admin | 
				分类：<a href="https://liukuan.net/category/note/">学习笔记</a>,<a href="https://liukuan.net/category/share/">网络分享</a>,<a href="https://liukuan.net/category/ob-c/">object-c</a>,<a href="https://liukuan.net/category/python/">Python</a>,<a href="https://liukuan.net/category/c/">c/c++</a>,<a href="https://liukuan.net/category/java/">java</a>,<a href="https://liukuan.net/category/php/">php</a> | 
				标签: <a href="https://liukuan.net/tag/%E6%95%B0%E6%8D%AE%E6%AE%B5%E3%80%81%E4%BB%A3%E7%A0%81%E6%AE%B5%E3%80%81%E5%A0%86%E6%A0%88%E6%AE%B5%E3%80%81BSS%E6%AE%B5/">数据段、代码段、堆栈段、BSS段</a>			</section>
		</article>
		
		
		<figure>
			<time datetime="2014-05-22">
				May<br /><span class="month">22</span><br />2014			</time>
            <a href="https://liukuan.net/note/82.html">1</a>
        </figure>

		<article>
			<h2 class="title"><a href="https://liukuan.net/note/82.html">object-C 与 C++的比较</a></h2>
			<section class="content">
目前好象只有Apple使用Objective-C作为其支持的语言吧。
与C++的不同之处有：
O-C中所有的类都必须继承自NSObject。
O-C中所有对象都是指针的形式。
O-C用se...</section>
			<section class="meta">
				作者：admin | 
				分类：<a href="https://liukuan.net/category/note/">学习笔记</a>,<a href="https://liukuan.net/category/share/">网络分享</a>,<a href="https://liukuan.net/category/ob-c/">object-c</a>,<a href="https://liukuan.net/category/c/">c/c++</a> | 
				标签: <a href="https://liukuan.net/tag/c/">c</a>, <a href="https://liukuan.net/tag/c/">c++</a>, <a href="https://liukuan.net/tag/object-c/">object-c</a>			</section>
		</article>
		
		

	<nav>
					</nav>

</section><!-- End mainBox-->

<aside id="sidebar">

	<ul class="search">
		<li>
			<form method="post" action="">
				<input type="text" name="s" id="s" />
				<input type="submit" class="submit" value="" />
			</form>
		</li>
	</ul>
	
	<ul>






		
				<li>
			<h2>最新文章</h2>
            <ul>
                <li><a href="https://liukuan.net/note/119.html">linux centos 6.5 安装java&elasticsearch 安装、配置及示例</a></li>
<li><a href="https://liukuan.net/note/120.html">[转]PHP扩展开发:第一个扩展</a></li>
<li><a href="https://liukuan.net/life/112.html">RabbitMQ消息队列在PHP下的应用</a></li>
<li><a href="https://liukuan.net/php/110.html">linux mysql5.5安装与配置</a></li>
<li><a href="https://liukuan.net/database/125.html">php操作redis大全</a></li>
            </ul>
		</li>
				
        	    <li>
            <!--
			<h2>最近回复</h2>
            <ul>
            	            	                <li class="rc"><a href="https://liukuan.net/note/82.html#comment-661"><a href="http://www.zhongguoshensuofeng.com/" rel="external nofollow">桥梁伸缩缝</a></a>: 好文章，内容义正词严.禁止此消息：nol...</li>
            	                <li class="rc"><a href="https://liukuan.net/Original/16.html#comment-658"><a href="http://www.wangw.com" rel="external nofollow">wangw</a></a>: Hi,请教下，现在有一台 PC 使用 s...</li>
            	                <li class="rc"><a href="https://liukuan.net/php/69.html#comment-656"><a href="http://liukuan.net" rel="external nofollow">admin</a></a>: ？？？？</li>
            	                <li class="rc"><a href="https://liukuan.net/php/69.html#comment-637"><a href="http://www.pvchulanwangchang.com" rel="external nofollow">pvc护栏</a></a>: 不错的文章，内容完美无缺.禁止此消息：n...</li>
            	            </ul>
-->
	    </li>
        		
                <li>
			<h2>分类</h2>
            <ul>
                <li><a href="https://liukuan.net/category/life/">生活随笔</a> (5)</li>
<li><a href="https://liukuan.net/category/note/">学习笔记</a> (36)</li>
<li><a href="https://liukuan.net/category/share/">网络分享</a> (41)</li>
<li><a href="https://liukuan.net/category/Original/">个人原创</a> (14)</li>
<li><a href="https://liukuan.net/category/server/">服务器</a> (16)</li>
<li><a href="https://liukuan.net/category/database/">数据库</a> (11)</li>
<li><a href="https://liukuan.net/category/ob-c/">object-c</a> (2)</li>
<li><a href="https://liukuan.net/category/python/">Python</a> (6)</li>
<li><a href="https://liukuan.net/category/c/">c/c++</a> (19)</li>
<li><a href="https://liukuan.net/category/linux/">linux</a> (13)</li>
<li><a href="https://liukuan.net/category/java/">java</a> (2)</li>
<li><a href="https://liukuan.net/category/php/">php</a> (60)</li>
<li><a href="https://liukuan.net/category/mac/">mac</a> (3)</li>
            </ul>
		</li>
        
                <li>
			<h2>归档</h2>
            <ul>
                <li><a href="https://liukuan.net/2017/04/">April 2017</a></li>
<li><a href="https://liukuan.net/2016/10/">October 2016</a></li>
<li><a href="https://liukuan.net/2016/07/">July 2016</a></li>
<li><a href="https://liukuan.net/2016/06/">June 2016</a></li>
<li><a href="https://liukuan.net/2016/05/">May 2016</a></li>
<li><a href="https://liukuan.net/2015/06/">June 2015</a></li>
<li><a href="https://liukuan.net/2015/03/">March 2015</a></li>
<li><a href="https://liukuan.net/2015/01/">January 2015</a></li>
<li><a href="https://liukuan.net/2014/12/">December 2014</a></li>
<li><a href="https://liukuan.net/2014/11/">November 2014</a></li>
<li><a href="https://liukuan.net/2014/10/">October 2014</a></li>
<li><a href="https://liukuan.net/2014/08/">August 2014</a></li>
<li><a href="https://liukuan.net/2014/07/">July 2014</a></li>
<li><a href="https://liukuan.net/2014/06/">June 2014</a></li>
<li><a href="https://liukuan.net/2014/05/">May 2014</a></li>
<li><a href="https://liukuan.net/2014/04/">April 2014</a></li>
<li><a href="https://liukuan.net/2014/03/">March 2014</a></li>
<li><a href="https://liukuan.net/2014/02/">February 2014</a></li>
<li><a href="https://liukuan.net/2014/01/">January 2014</a></li>
<li><a href="https://liukuan.net/2013/12/">December 2013</a></li>
<li><a href="https://liukuan.net/2012/05/">May 2012</a></li>
<li><a href="https://liukuan.net/2011/09/">September 2011</a></li>
            </ul>
		</li>
        
      
																																				






  		<li>
			<h2>快捷</h2>
            <ul>
                                    <li class="last"><a href="https://liukuan.net/admin/login.php">登录</a></li>
                                <li><a href="http://www.weibo.com/577558548">新浪微博</a></li>
                <li><a href="http://www.hookbag.com/">Hookbag</a></li>
<li><a href="http://www.taohaohuo365.com/">淘好货</a></li>
<li><a href="http://iot.jd.com">jd_Iot</a></li>
<li><a href="http://m.ickd.cn" target="_blank">快递查询</a></li>
<li><a href="http://jeeinn.com">jeeinn.com</a></li>
            </ul>
		</li>
                






	</ul>
</aside>
	</section><!--End Container-->

	<footer>
		版权所有<湖南分利购科技有限公司> Welcome to <a href="http://liukuan.net">liukuan.net</a> <a href="http://www.miitbeian.gov.cn">湘ICP备13003631号</a>
	</footer><!--End footer-->

</section><!--End Wrapper-->

<link rel="stylesheet" type="text/css" href="https://liukuan.net/usr/plugins/Like/css/style.css" />
<script type="text/javascript" src="https://liukuan.net/usr/plugins/Like/js/jquery.js"></script>
<script type="text/javascript" src="https://liukuan.net/usr/plugins/Like/js/jquery.fs.macaroon.js"></script>
<script>
    $(".post-like").on("click", function(){
    	var th = $(this);
		var id = th.attr('data-pid');
		var cookies = $.macaroon('_syan_like') || "";
		if (!id || !/^\d{1,10}$/.test(id)) return;
		if (-1 !== cookies.indexOf("," + id + ",")) return alert("您已经赞过了！");
		cookies ? cookies.length >= 160 ? (cookies = cookies.substring(0, cookies.length - 1), cookies = cookies.substr
(1).split(","), cookies.splice(0, 1), cookies.push(id), cookies = cookies.join(","), $.macaroon("_syan_like", "," + cookies + 
",")) : $.macaroon("_syan_like", cookies + id + ",") : $.macaroon("_syan_like", "," + id + ",");
		$.post('https://liukuan.net/action/like?up',{
		cid:id
		},function(data){
		th.addClass('actived');
		var zan = th.find('span').text();
		th.find('span').text(parseInt(zan) + 1);
		},'json');
	});
</script>

	<script type="text/javascript">
		mh = document.getElementById('mainBox');
		sh = document.getElementById('sidebar');
		h1 = "18"; // sidebar  上下padding高度
		h2 = "20"; // ariticle 上下padding高度
		if (mh.clientHeight > sh.clientHeight) {
			sh.style.height = mh.clientHeight-h1 + "px";
		} 
	</script>
<script>
apiready = function(){
    //alert(1)
    alert(api.winName);
}
</script>
</body>
</html>