{"id":57818,"date":"2025-08-15T20:30:37","date_gmt":"2025-08-15T12:30:37","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/57818.html"},"modified":"2025-08-15T20:30:37","modified_gmt":"2025-08-15T12:30:37","slug":"%e5%91%8a%e5%88%ab%e8%be%b9%e7%95%8c%e6%9d%a1%e4%bb%b6%e5%99%a9%e6%a2%a6%ef%bc%81%e5%8f%8c%e5%90%91%e5%be%aa%e7%8e%af%e9%93%be%e8%a1%a8%ef%bc%88%e5%93%a8%e5%85%b5%e4%bd%8d%ef%bc%89%e5%ae%9e%e7%8e%b0","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/57818.html","title":{"rendered":"\u544a\u522b\u8fb9\u754c\u6761\u4ef6\u5669\u68a6\uff01\u53cc\u5411\u5faa\u73af\u94fe\u8868\uff08\u54e8\u5175\u4f4d\uff09\u5b9e\u73b0\u6280\u5de7\u4e0e\u907f\u5751\u6307\u5357"},"content":{"rendered":"<h3>\u5f15\u8a00<\/h3>\n<p>\u53cc\u5411\u5faa\u73af\u94fe\u8868\u662f\u4e00\u79cd\u91cd\u8981\u7684\u6570\u636e\u7ed3\u6784&#xff0c;\u5b83\u7ed3\u5408\u4e86\u53cc\u5411\u94fe\u8868\u548c\u5faa\u73af\u94fe\u8868\u7684\u7279\u70b9&#xff0c;\u6bcf\u4e2a\u8282\u70b9\u5305\u542b\u6307\u5411\u524d\u9a71\u548c\u540e\u7ee7\u8282\u70b9\u7684\u6307\u9488&#xff0c;\u5e76\u4e14\u5c3e\u8282\u70b9\u7684\u540e\u7ee7\u6307\u5411\u5934\u8282\u70b9&#xff0c;\u5f62\u6210\u4e00\u4e2a\u95ed\u73af\u3002\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d&#xff0c;\u5e26\u54e8\u5175\u4f4d&#xff08;\u5934\u8282\u70b9&#xff09;\u7684\u53cc\u5411\u5faa\u73af\u94fe\u8868\u56e0\u5176\u64cd\u4f5c\u7684\u7edf\u4e00\u6027\u548c\u4fbf\u6377\u6027\u800c\u88ab\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n<p>\u672c\u6587\u5c06\u4ece\u96f6\u5f00\u59cb&#xff0c;\u8be6\u7ec6\u89e3\u6790\u53cc\u5411\u5faa\u73af\u94fe\u8868\u7684\u5b9e\u73b0\u539f\u7406\u3001\u6838\u5fc3\u64cd\u4f5c\u53ca\u6d4b\u8bd5\u8fc7\u7a0b&#xff0c;\u5e76\u603b\u7ed3\u76f8\u5173\u77e5\u8bc6\u70b9\u548c\u6613\u9519\u70b9&#xff0c;\u5e2e\u52a9\u8bfb\u8005\u6df1\u5165\u7406\u89e3\u8fd9\u4e00\u6570\u636e\u7ed3\u6784\u3002<\/p>\n<h3>\u76ee\u5f55\u7ed3\u6784\u8bbe\u8ba1<\/h3>\n<p>\u4e00\u4e2a\u826f\u597d\u7684\u9879\u76ee\u7ed3\u6784\u6709\u52a9\u4e8e\u4ee3\u7801\u7684\u7ba1\u7406\u548c\u7ef4\u62a4&#xff0c;\u6211\u4eec\u5c06\u94fe\u8868\u5b9e\u73b0\u5206\u4e3a\u4ee5\u4e0b\u51e0\u4e2a\u6587\u4ef6&#xff1a;<\/p>\n<p>double_linked_list\/<br \/>\n\u251c\u2500\u2500 include\/<br \/>\n\u2502   \u2514\u2500\u2500 List.h         \/\/ \u94fe\u8868\u7ed3\u6784\u4f53\u5b9a\u4e49\u548c\u51fd\u6570\u58f0\u660e<br \/>\n\u251c\u2500\u2500 src\/<br \/>\n\u2502   \u2514\u2500\u2500 List.c         \/\/ \u94fe\u8868\u51fd\u6570\u5b9e\u73b0<br \/>\n\u2514\u2500\u2500 test\/<br \/>\n    \u2514\u2500\u2500 test.c         \/\/ \u6d4b\u8bd5\u4ee3\u7801<\/p>\n<h3>\u4ee3\u7801\u5b9e\u73b0\u4e0e\u89e3\u6790<\/h3>\n<h4>1. \u5934\u6587\u4ef6 List.h<\/h4>\n<p>\u5934\u6587\u4ef6\u4e3b\u8981\u5305\u542b\u94fe\u8868\u8282\u70b9\u7684\u5b9a\u4e49\u548c\u6240\u6709\u64cd\u4f5c\u51fd\u6570\u7684\u58f0\u660e&#xff0c;\u662f\u6574\u4e2a\u94fe\u8868\u5b9e\u73b0\u7684\u63a5\u53e3\u3002<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">pragma<\/span> <span class=\"token expression\">once<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;stdio.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;stdlib.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;assert.h&gt;<\/span><\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5b9a\u4e49\u94fe\u8868\u5b58\u50a8\u7684\u6570\u636e\u7c7b\u578b&#xff0c;\u65b9\u4fbf\u540e\u7eed\u4fee\u6539\u5b58\u50a8\u7c7b\u578b<\/span><br \/>\n<span class=\"token keyword\">typedef<\/span> <span class=\"token keyword\">int<\/span> LTDataType<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5b9a\u4e49\u53cc\u94fe\u8868\u8282\u70b9\u7ed3\u6784<\/span><br \/>\n<span class=\"token keyword\">typedef<\/span> <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">ListNode<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    LTDataType data<span class=\"token punctuation\">;<\/span>          <span class=\"token comment\">\/\/ \u8282\u70b9\u5b58\u50a8\u7684\u6570\u636e<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">ListNode<\/span><span class=\"token operator\">*<\/span> prev<span class=\"token punctuation\">;<\/span>    <span class=\"token comment\">\/\/ \u6307\u5411\u524d\u9a71\u8282\u70b9\u7684\u6307\u9488<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">ListNode<\/span><span class=\"token operator\">*<\/span> next<span class=\"token punctuation\">;<\/span>    <span class=\"token comment\">\/\/ \u6307\u5411\u540e\u7ee7\u8282\u70b9\u7684\u6307\u9488<\/span><br \/>\n<span class=\"token punctuation\">}<\/span>LT<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u8282\u70b9\u521b\u5efa<\/span><br \/>\nLT<span class=\"token operator\">*<\/span> <span class=\"token function\">LTBuyNode<\/span><span class=\"token punctuation\">(<\/span>LTDataType num<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token comment\">\/\/ \u54e8\u5175\u4f4d\u521b\u5efa\u53ca\u521d\u59cb\u5316<\/span><br \/>\nLT<span class=\"token operator\">*<\/span> <span class=\"token function\">LTInit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token comment\">\/\/ \u6253\u5370\u94fe\u8868<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">LTPrint<\/span><span class=\"token punctuation\">(<\/span>LT<span class=\"token operator\">*<\/span> phead<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token comment\">\/\/ \u5934\u63d2\u4e0e\u5c3e\u63d2<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">LTPushFront<\/span><span class=\"token punctuation\">(<\/span>LT<span class=\"token operator\">*<\/span> phead<span class=\"token punctuation\">,<\/span> LTDataType num<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">LTPushBack<\/span><span class=\"token punctuation\">(<\/span>LT<span class=\"token operator\">*<\/span> phead<span class=\"token punctuation\">,<\/span> LTDataType num<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token comment\">\/\/ \u5934\u5220\u4e0e\u5c3e\u5220<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">LTPopFront<\/span><span class=\"token punctuation\">(<\/span>LT<span class=\"token operator\">*<\/span> phead<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">LTPopBack<\/span><span class=\"token punctuation\">(<\/span>LT<span class=\"token operator\">*<\/span> phead<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token comment\">\/\/ \u67e5\u627e\u5143\u7d20<\/span><br \/>\nLT<span class=\"token operator\">*<\/span> <span class=\"token function\">LTFind<\/span><span class=\"token punctuation\">(<\/span>LT<span class=\"token operator\">*<\/span> phead<span class=\"token punctuation\">,<\/span> LTDataType num<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token comment\">\/\/ \u5728pos\u4f4d\u7f6e\u4e4b\u540e\u63d2\u5165\u6570\u636e<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">LTInsert<\/span><span class=\"token punctuation\">(<\/span>LT<span class=\"token operator\">*<\/span> pos<span class=\"token punctuation\">,<\/span> LTDataType num<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token comment\">\/\/ \u5220\u9664pos\u8282\u70b9<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">LTErase<\/span><span class=\"token punctuation\">(<\/span>LT<span class=\"token operator\">*<\/span> pos<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token comment\">\/\/ \u9500\u6bc1\u94fe\u8868<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">LTDestroy<\/span><span class=\"token punctuation\">(<\/span>LT<span class=\"token operator\">*<\/span> phead<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u4ee3\u7801\u89e3\u6790&#xff1a;<\/p>\n<ul>\n<li>#pragma once \u7528\u4e8e\u9632\u6b62\u5934\u6587\u4ef6\u88ab\u91cd\u590d\u5305\u542b<\/li>\n<li>typedef int LTDataType \u4e3a\u6570\u636e\u7c7b\u578b\u521b\u5efa\u522b\u540d&#xff0c;\u4fbf\u4e8e\u540e\u7eed\u4fee\u6539\u5b58\u50a8\u7684\u6570\u636e\u7c7b\u578b&#xff08;\u5982\u6539\u4e3achar\u3001float\u7b49&#xff09;<\/li>\n<li>\u8282\u70b9\u7ed3\u6784\u4f53\u5305\u542b\u4e09\u4e2a\u6210\u5458&#xff1a;\u6570\u636e\u57df\u548c\u4e24\u4e2a\u6307\u9488\u57df&#xff08;prev\u548cnext&#xff09;<\/li>\n<li>\u51fd\u6570\u58f0\u660e\u6db5\u76d6\u4e86\u94fe\u8868\u7684\u6240\u6709\u57fa\u672c\u64cd\u4f5c<\/li>\n<\/ul>\n<h4>2. \u6e90\u6587\u4ef6 List.c<\/h4>\n<p>\u8be5\u6587\u4ef6\u5b9e\u73b0\u4e86\u5934\u6587\u4ef6\u4e2d\u58f0\u660e\u7684\u6240\u6709\u51fd\u6570&#xff0c;\u662f\u94fe\u8868\u529f\u80fd\u7684\u6838\u5fc3\u5b9e\u73b0\u3002<\/p>\n<h5>2.1 \u8282\u70b9\u521b\u5efa\u51fd\u6570<\/h5>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;List.h&#034;<\/span><\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u521b\u5efa\u65b0\u8282\u70b9<\/span><br \/>\nLT<span class=\"token operator\">*<\/span> <span class=\"token function\">LTBuyNode<\/span><span class=\"token punctuation\">(<\/span>LTDataType num<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u4e3a\u65b0\u8282\u70b9\u5206\u914d\u5185\u5b58<\/span><br \/>\n    LT<span class=\"token operator\">*<\/span> newnode <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>LT<span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token function\">malloc<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>LT<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>newnode <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">perror<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;malloc fail !&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u5185\u5b58\u5206\u914d\u5931\u8d25\u65f6\u6253\u5370\u9519\u8bef\u4fe1\u606f<\/span><br \/>\n        <span class=\"token function\">exit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>                  <span class=\"token comment\">\/\/ \u9000\u51fa\u7a0b\u5e8f<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    newnode<span class=\"token operator\">-&gt;<\/span>data <span class=\"token operator\">&#061;<\/span> num<span class=\"token punctuation\">;<\/span>          <span class=\"token comment\">\/\/ \u521d\u59cb\u5316\u6570\u636e\u57df<\/span><br \/>\n    newnode<span class=\"token operator\">-&gt;<\/span>next <span class=\"token operator\">&#061;<\/span> newnode<span class=\"token operator\">-&gt;<\/span>prev <span class=\"token operator\">&#061;<\/span> newnode<span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u65b0\u8282\u70b9\u7684\u524d\u540e\u6307\u9488\u90fd\u6307\u5411\u81ea\u8eab<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> newnode<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u4ee3\u7801\u89e3\u6790&#xff1a;<\/p>\n<ul>\n<li>LTBuyNode \u51fd\u6570\u8d1f\u8d23\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u94fe\u8868\u8282\u70b9<\/li>\n<li>\u9996\u5148\u4f7f\u7528malloc\u5206\u914d\u5185\u5b58&#xff0c;\u5fc5\u987b\u68c0\u67e5\u5185\u5b58\u5206\u914d\u662f\u5426\u6210\u529f<\/li>\n<li>\u65b0\u8282\u70b9\u521d\u59cb\u5316\u65f6&#xff0c;prev\u548cnext\u90fd\u6307\u5411\u81ea\u8eab&#xff0c;\u8fd9\u4e3a\u540e\u7eed\u64cd\u4f5c\u63d0\u4f9b\u4e86\u4fbf\u5229<\/li>\n<li>\u51fd\u6570\u8fd4\u56de\u65b0\u521b\u5efa\u7684\u8282\u70b9\u6307\u9488<\/li>\n<\/ul>\n<h5>2.2 \u94fe\u8868\u521d\u59cb\u5316\u51fd\u6570<\/h5>\n<p><span class=\"token comment\">\/\/ \u54e8\u5175\u4f4d\u521b\u5efa\u53ca\u521d\u59cb\u5316<\/span><br \/>\nLT<span class=\"token operator\">*<\/span> <span class=\"token function\">LTInit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    LT<span class=\"token operator\">*<\/span> phead <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">LTBuyNode<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u521b\u5efa\u54e8\u5175\u4f4d\u8282\u70b9&#xff0c;\u6570\u636e\u57df\u503c\u65e0\u5b9e\u9645\u610f\u4e49<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> phead<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u4ee3\u7801\u89e3\u6790&#xff1a;<\/p>\n<ul>\n<li>\u521d\u59cb\u5316\u51fd\u6570\u521b\u5efa\u4e00\u4e2a\u54e8\u5175\u4f4d\u8282\u70b9&#xff08;\u5934\u8282\u70b9&#xff09;\u5e76\u8fd4\u56de<\/li>\n<li>\u54e8\u5175\u4f4d\u8282\u70b9\u7684\u6570\u636e\u57df\u503c\u53ef\u4ee5\u662f\u4efb\u610f\u7684&#xff0c;\u56e0\u4e3a\u5b83\u4e0d\u5b58\u50a8\u5b9e\u9645\u6570\u636e<\/li>\n<li>\u5e26\u54e8\u5175\u4f4d\u7684\u94fe\u8868\u53ef\u4ee5\u7edf\u4e00\u7a7a\u94fe\u8868\u548c\u975e\u7a7a\u94fe\u8868\u7684\u64cd\u4f5c&#xff0c;\u7b80\u5316\u4ee3\u7801\u903b\u8f91<\/li>\n<\/ul>\n<h5>2.3 \u6253\u5370\u51fd\u6570<\/h5>\n<p><span class=\"token comment\">\/\/ \u6253\u5370\u94fe\u8868\u5185\u5bb9<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">LTPrint<\/span><span class=\"token punctuation\">(<\/span>LT<span class=\"token operator\">*<\/span> phead<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>phead<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u786e\u4fdd\u54e8\u5175\u4f4d\u8282\u70b9\u4e0d\u4e3a\u7a7a<\/span><br \/>\n    <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u94fe\u8868&#xff1a; &#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    LT<span class=\"token operator\">*<\/span> pcur <span class=\"token operator\">&#061;<\/span> phead<span class=\"token operator\">-&gt;<\/span>next<span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u4ece\u7b2c\u4e00\u4e2a\u6709\u6548\u8282\u70b9\u5f00\u59cb\u904d\u5386<\/span><br \/>\n    <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span>pcur <span class=\"token operator\">!&#061;<\/span> phead<span class=\"token punctuation\">)<\/span>     <span class=\"token comment\">\/\/ \u5f53pcur\u56de\u5230\u54e8\u5175\u4f4d\u65f6&#xff0c;\u904d\u5386\u7ed3\u675f<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;%d-&gt;&#034;<\/span><span class=\"token punctuation\">,<\/span> pcur<span class=\"token operator\">-&gt;<\/span>data<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        pcur <span class=\"token operator\">&#061;<\/span> pcur<span class=\"token operator\">-&gt;<\/span>next<span class=\"token punctuation\">;<\/span>   <span class=\"token comment\">\/\/ \u79fb\u52a8\u5230\u4e0b\u4e00\u4e2a\u8282\u70b9<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;phead\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u8868\u793a\u94fe\u8868\u7ed3\u675f&#xff0c;\u56de\u5230\u54e8\u5175\u4f4d<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u4ee3\u7801\u89e3\u6790&#xff1a;<\/p>\n<ul>\n<li>\u4f7f\u7528assert(phead)\u786e\u4fdd\u4f20\u5165\u7684\u54e8\u5175\u4f4d\u8282\u70b9\u4e0d\u4e3a\u7a7a<\/li>\n<li>\u904d\u5386\u4ece\u54e8\u5175\u4f4d\u7684\u4e0b\u4e00\u4e2a\u8282\u70b9&#xff08;phead-&gt;next&#xff09;\u5f00\u59cb<\/li>\n<li>\u5faa\u73af\u7ed3\u675f\u6761\u4ef6\u662fpcur !&#061; phead&#xff0c;\u4f53\u73b0\u4e86\u5faa\u73af\u94fe\u8868\u7684\u7279\u6027<\/li>\n<li>\u6253\u5370\u683c\u5f0f\u6e05\u6670\u5730\u5c55\u793a\u4e86\u94fe\u8868\u7684\u7ed3\u6784<\/li>\n<\/ul>\n<h5>2.4 \u63d2\u5165\u64cd\u4f5c<\/h5>\n<h6>2.4.1 \u5934\u63d2\u64cd\u4f5c<\/h6>\n<p><span class=\"token comment\">\/\/ \u5934\u63d2&#xff1a;\u5728\u54e8\u5175\u4f4d\u4e4b\u540e\u63d2\u5165\u65b0\u8282\u70b9<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">LTPushFront<\/span><span class=\"token punctuation\">(<\/span>LT<span class=\"token operator\">*<\/span> phead<span class=\"token punctuation\">,<\/span> LTDataType num<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>phead<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u786e\u4fdd\u54e8\u5175\u4f4d\u8282\u70b9\u6709\u6548<\/span><\/p>\n<p>    LT<span class=\"token operator\">*<\/span> newnode <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">LTBuyNode<\/span><span class=\"token punctuation\">(<\/span>num<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u521b\u5efa\u65b0\u8282\u70b9<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5efa\u7acb\u65b0\u8282\u70b9\u4e0e\u524d\u540e\u8282\u70b9\u7684\u94fe\u63a5<\/span><br \/>\n    newnode<span class=\"token operator\">-&gt;<\/span>prev <span class=\"token operator\">&#061;<\/span> phead<span class=\"token punctuation\">;<\/span><br \/>\n    newnode<span class=\"token operator\">-&gt;<\/span>next <span class=\"token operator\">&#061;<\/span> phead<span class=\"token operator\">-&gt;<\/span>next<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u66f4\u65b0\u539f\u5934\u8282\u70b9\u540e\u7ee7\u7684\u524d\u9a71\u6307\u9488\u548c\u5934\u8282\u70b9\u7684\u540e\u7ee7\u6307\u9488<\/span><br \/>\n    phead<span class=\"token operator\">-&gt;<\/span>next<span class=\"token operator\">-&gt;<\/span>prev <span class=\"token operator\">&#061;<\/span> newnode<span class=\"token punctuation\">;<\/span><br \/>\n    phead<span class=\"token operator\">-&gt;<\/span>next <span class=\"token operator\">&#061;<\/span> newnode<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u56fe\u89e3&#xff1a;<\/p>\n<p>\u63d2\u5165\u524d&#xff1a;phead &lt;-&gt; A &lt;-&gt; &#8230;<br \/>\n\u63d2\u5165\u540e&#xff1a;phead &lt;-&gt; newnode &lt;-&gt; A &lt;-&gt; &#8230;<\/p>\n<p>\u4ee3\u7801\u89e3\u6790&#xff1a;<\/p>\n<ul>\n<li>\u5934\u63d2\u64cd\u4f5c\u662f\u5728\u54e8\u5175\u4f4d\u8282\u70b9\u4e4b\u540e\u63d2\u5165\u65b0\u8282\u70b9<\/li>\n<li>\u64cd\u4f5c\u6b65\u9aa4\u5206\u4e3a\u4e24\u6b65&#xff1a;\u5148\u8bbe\u7f6e\u65b0\u8282\u70b9\u7684prev\u548cnext\u6307\u9488&#xff0c;\u518d\u66f4\u65b0\u539f\u6709\u8282\u70b9\u7684\u6307\u9488<\/li>\n<li>\u8fd9\u79cd\u64cd\u4f5c\u987a\u5e8f\u907f\u514d\u4e86\u6307\u9488\u4e22\u5931<\/li>\n<\/ul>\n<h6>2.4.2 \u5c3e\u63d2\u64cd\u4f5c<\/h6>\n<p><span class=\"token comment\">\/\/ \u5c3e\u63d2&#xff1a;\u5728\u94fe\u8868\u672b\u5c3e\u63d2\u5165\u65b0\u8282\u70b9<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">LTPushBack<\/span><span class=\"token punctuation\">(<\/span>LT<span class=\"token operator\">*<\/span> phead<span class=\"token punctuation\">,<\/span> LTDataType num<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>phead<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u786e\u4fdd\u54e8\u5175\u4f4d\u8282\u70b9\u6709\u6548<\/span><\/p>\n<p>    LT<span class=\"token operator\">*<\/span> newnode <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">LTBuyNode<\/span><span class=\"token punctuation\">(<\/span>num<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u521b\u5efa\u65b0\u8282\u70b9<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u65b0\u8282\u70b9\u7684\u524d\u9a71\u6307\u5411\u539f\u5c3e\u8282\u70b9&#xff0c;\u540e\u7ee7\u6307\u5411\u54e8\u5175\u4f4d<\/span><br \/>\n    newnode<span class=\"token operator\">-&gt;<\/span>prev <span class=\"token operator\">&#061;<\/span> phead<span class=\"token operator\">-&gt;<\/span>prev<span class=\"token punctuation\">;<\/span><br \/>\n    newnode<span class=\"token operator\">-&gt;<\/span>next <span class=\"token operator\">&#061;<\/span> phead<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u66f4\u65b0\u539f\u5c3e\u8282\u70b9\u7684\u540e\u7ee7\u548c\u54e8\u5175\u4f4d\u7684\u524d\u9a71<\/span><br \/>\n    phead<span class=\"token operator\">-&gt;<\/span>prev<span class=\"token operator\">-&gt;<\/span>next <span class=\"token operator\">&#061;<\/span> newnode<span class=\"token punctuation\">;<\/span><br \/>\n    phead<span class=\"token operator\">-&gt;<\/span>prev <span class=\"token operator\">&#061;<\/span> newnode<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u56fe\u89e3&#xff1a;<\/p>\n<p>\u63d2\u5165\u524d&#xff1a;&#8230; &lt;-&gt; B &lt;-&gt; phead<br \/>\n\u63d2\u5165\u540e&#xff1a;&#8230; &lt;-&gt; B &lt;-&gt; newnode &lt;-&gt; phead<\/p>\n<p>\u4ee3\u7801\u89e3\u6790&#xff1a;<\/p>\n<ul>\n<li>\u5c3e\u63d2\u64cd\u4f5c\u662f\u5728\u94fe\u8868\u672b\u5c3e&#xff08;\u54e8\u5175\u4f4d\u4e4b\u524d&#xff09;\u63d2\u5165\u65b0\u8282\u70b9<\/li>\n<li>\u5229\u7528\u54e8\u5175\u4f4d\u7684prev\u6307\u9488\u53ef\u4ee5\u76f4\u63a5\u627e\u5230\u5c3e\u8282\u70b9&#xff0c;\u65e0\u9700\u904d\u5386<\/li>\n<li>\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(1)&#xff0c;\u6548\u7387\u5f88\u9ad8<\/li>\n<\/ul>\n<h5>2.5 \u5220\u9664\u64cd\u4f5c<\/h5>\n<h6>2.5.1 \u5934\u5220\u64cd\u4f5c<\/h6>\n<p><span class=\"token comment\">\/\/ \u5934\u5220&#xff1a;\u5220\u9664\u54e8\u5175\u4f4d\u4e4b\u540e\u7684\u7b2c\u4e00\u4e2a\u8282\u70b9<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">LTPopFront<\/span><span class=\"token punctuation\">(<\/span>LT<span class=\"token operator\">*<\/span> phead<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u786e\u4fdd\u54e8\u5175\u4f4d\u6709\u6548\u4e14\u94fe\u8868\u4e0d\u4e3a\u7a7a<\/span><br \/>\n    <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>phead <span class=\"token operator\">&amp;&amp;<\/span> phead<span class=\"token operator\">-&gt;<\/span>next <span class=\"token operator\">!&#061;<\/span> phead<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    LT<span class=\"token operator\">*<\/span> del <span class=\"token operator\">&#061;<\/span> phead<span class=\"token operator\">-&gt;<\/span>next<span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u8bb0\u5f55\u8981\u5220\u9664\u7684\u8282\u70b9<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5efa\u7acb\u5220\u9664\u8282\u70b9\u524d\u540e\u8282\u70b9\u7684\u76f4\u63a5\u94fe\u63a5<\/span><br \/>\n    del<span class=\"token operator\">-&gt;<\/span>next<span class=\"token operator\">-&gt;<\/span>prev <span class=\"token operator\">&#061;<\/span> phead<span class=\"token punctuation\">;<\/span><br \/>\n    phead<span class=\"token operator\">-&gt;<\/span>next <span class=\"token operator\">&#061;<\/span> del<span class=\"token operator\">-&gt;<\/span>next<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token function\">free<\/span><span class=\"token punctuation\">(<\/span>del<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u91ca\u653e\u5220\u9664\u8282\u70b9\u7684\u5185\u5b58<\/span><br \/>\n    <span class=\"token comment\">\/\/ del &#061; NULL; \u6b64\u5904\u53ef\u4ee5\u7701\u7565&#xff0c;\u56e0\u4e3adel\u662f\u5c40\u90e8\u53d8\u91cf<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u4ee3\u7801\u89e3\u6790&#xff1a;<\/p>\n<ul>\n<li>\u65ad\u8a00\u6761\u4ef6phead-&gt;next !&#061; phead\u786e\u4fdd\u94fe\u8868\u4e0d\u4e3a\u7a7a<\/li>\n<li>\u5148\u8bb0\u5f55\u8981\u5220\u9664\u7684\u8282\u70b9&#xff0c;\u518d\u66f4\u65b0\u6307\u9488\u5173\u7cfb&#xff0c;\u6700\u540e\u91ca\u653e\u5185\u5b58<\/li>\n<li>\u907f\u514d\u4e86\u5185\u5b58\u6cc4\u6f0f<\/li>\n<\/ul>\n<h6>2.5.2 \u5c3e\u5220\u64cd\u4f5c<\/h6>\n<p><span class=\"token comment\">\/\/ \u5c3e\u5220&#xff1a;\u5220\u9664\u94fe\u8868\u672b\u5c3e\u7684\u8282\u70b9<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">LTPopBack<\/span><span class=\"token punctuation\">(<\/span>LT<span class=\"token operator\">*<\/span> phead<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u786e\u4fdd\u54e8\u5175\u4f4d\u6709\u6548\u4e14\u94fe\u8868\u4e0d\u4e3a\u7a7a<\/span><br \/>\n    <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>phead <span class=\"token operator\">&amp;&amp;<\/span> phead<span class=\"token operator\">-&gt;<\/span>next <span class=\"token operator\">!&#061;<\/span> phead<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    LT<span class=\"token operator\">*<\/span> del <span class=\"token operator\">&#061;<\/span> phead<span class=\"token operator\">-&gt;<\/span>prev<span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u8bb0\u5f55\u8981\u5220\u9664\u7684\u5c3e\u8282\u70b9<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5efa\u7acb\u5220\u9664\u8282\u70b9\u524d\u540e\u8282\u70b9\u7684\u76f4\u63a5\u94fe\u63a5<\/span><br \/>\n    phead<span class=\"token operator\">-&gt;<\/span>prev <span class=\"token operator\">&#061;<\/span> del<span class=\"token operator\">-&gt;<\/span>prev<span class=\"token punctuation\">;<\/span><br \/>\n    del<span class=\"token operator\">-&gt;<\/span>prev<span class=\"token operator\">-&gt;<\/span>next <span class=\"token operator\">&#061;<\/span> phead<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token function\">free<\/span><span class=\"token punctuation\">(<\/span>del<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u91ca\u653e\u5185\u5b58<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u4ee3\u7801\u89e3\u6790&#xff1a;<\/p>\n<ul>\n<li>\u5229\u7528\u54e8\u5175\u4f4d\u7684prev\u6307\u9488\u76f4\u63a5\u627e\u5230\u5c3e\u8282\u70b9<\/li>\n<li>\u540c\u6837\u5148\u66f4\u65b0\u6307\u9488\u5173\u7cfb&#xff0c;\u518d\u91ca\u653e\u5185\u5b58<\/li>\n<li>\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(1)<\/li>\n<\/ul>\n<h5>2.6 \u67e5\u627e\u64cd\u4f5c<\/h5>\n<p><span class=\"token comment\">\/\/ \u67e5\u627e\u5143\u7d20&#xff0c;\u8fd4\u56de\u7b2c\u4e00\u4e2a\u5339\u914d\u8282\u70b9\u7684\u6307\u9488<\/span><br \/>\nLT<span class=\"token operator\">*<\/span> <span class=\"token function\">LTFind<\/span><span class=\"token punctuation\">(<\/span>LT<span class=\"token operator\">*<\/span> phead<span class=\"token punctuation\">,<\/span> LTDataType num<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    LT<span class=\"token operator\">*<\/span> pcur <span class=\"token operator\">&#061;<\/span> phead<span class=\"token operator\">-&gt;<\/span>next<span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u4ece\u7b2c\u4e00\u4e2a\u6709\u6548\u8282\u70b9\u5f00\u59cb\u67e5\u627e<\/span><br \/>\n    <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span>pcur <span class=\"token operator\">!&#061;<\/span> phead<span class=\"token punctuation\">)<\/span>     <span class=\"token comment\">\/\/ \u904d\u5386\u6574\u4e2a\u94fe\u8868<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>pcur<span class=\"token operator\">-&gt;<\/span>data <span class=\"token operator\">&#061;&#061;<\/span> num<span class=\"token punctuation\">)<\/span>  <span class=\"token comment\">\/\/ \u627e\u5230\u5339\u914d\u8282\u70b9<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> pcur<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        pcur <span class=\"token operator\">&#061;<\/span> pcur<span class=\"token operator\">-&gt;<\/span>next<span class=\"token punctuation\">;<\/span>    <span class=\"token comment\">\/\/ \u79fb\u52a8\u5230\u4e0b\u4e00\u4e2a\u8282\u70b9<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u672a\u627e\u5230\u5339\u914d\u8282\u70b9<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u4ee3\u7801\u89e3\u6790&#xff1a;<\/p>\n<ul>\n<li>\u904d\u5386\u6574\u4e2a\u94fe\u8868\u67e5\u627e\u6307\u5b9a\u5143\u7d20<\/li>\n<li>\u627e\u5230\u5219\u8fd4\u56de\u8282\u70b9\u6307\u9488&#xff0c;\u672a\u627e\u5230\u5219\u8fd4\u56deNULL<\/li>\n<li>\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(n)&#xff0c;n\u4e3a\u94fe\u8868\u957f\u5ea6<\/li>\n<\/ul>\n<h5>2.7 \u6307\u5b9a\u4f4d\u7f6e\u64cd\u4f5c<\/h5>\n<h6>2.7.1 \u5728\u6307\u5b9a\u4f4d\u7f6e\u540e\u63d2\u5165<\/h6>\n<p><span class=\"token comment\">\/\/ \u5728pos\u4f4d\u7f6e\u4e4b\u540e\u63d2\u5165\u6570\u636e<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">LTInsert<\/span><span class=\"token punctuation\">(<\/span>LT<span class=\"token operator\">*<\/span> pos<span class=\"token punctuation\">,<\/span> LTDataType num<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>pos<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u786e\u4fddpos\u4f4d\u7f6e\u6709\u6548<\/span><br \/>\n    LT<span class=\"token operator\">*<\/span> newnode <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">LTBuyNode<\/span><span class=\"token punctuation\">(<\/span>num<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u521b\u5efa\u65b0\u8282\u70b9<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u65b0\u8282\u70b9\u7684\u6307\u9488<\/span><br \/>\n    newnode<span class=\"token operator\">-&gt;<\/span>next <span class=\"token operator\">&#061;<\/span> pos<span class=\"token operator\">-&gt;<\/span>next<span class=\"token punctuation\">;<\/span><br \/>\n    newnode<span class=\"token operator\">-&gt;<\/span>prev <span class=\"token operator\">&#061;<\/span> pos<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u66f4\u65b0\u539f\u6709\u8282\u70b9\u7684\u6307\u9488<\/span><br \/>\n    pos<span class=\"token operator\">-&gt;<\/span>next<span class=\"token operator\">-&gt;<\/span>prev <span class=\"token operator\">&#061;<\/span> newnode<span class=\"token punctuation\">;<\/span><br \/>\n    pos<span class=\"token operator\">-&gt;<\/span>next <span class=\"token operator\">&#061;<\/span> newnode<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u4ee3\u7801\u89e3\u6790&#xff1a;<\/p>\n<ul>\n<li>\u8fd9\u662f\u4e00\u4e2a\u901a\u7528\u7684\u63d2\u5165\u51fd\u6570&#xff0c;\u53ef\u4ee5\u5728\u4efb\u610f\u6709\u6548\u4f4d\u7f6e\u540e\u63d2\u5165\u65b0\u8282\u70b9<\/li>\n<li>\u5934\u63d2\u64cd\u4f5cLTPushFront\u5176\u5b9e\u53ef\u4ee5\u901a\u8fc7LTInsert(phead, num)\u5b9e\u73b0<\/li>\n<li>\u4f53\u73b0\u4e86\u4ee3\u7801\u590d\u7528\u7684\u601d\u60f3<\/li>\n<\/ul>\n<h6>2.7.2 \u5220\u9664\u6307\u5b9a\u4f4d\u7f6e\u8282\u70b9<\/h6>\n<p><span class=\"token comment\">\/\/ \u5220\u9664pos\u8282\u70b9&#xff08;\u7981\u6b62\u5220\u9664\u54e8\u5175\u4f4d&#xff09;<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">LTErase<\/span><span class=\"token punctuation\">(<\/span>LT<span class=\"token operator\">*<\/span> pos<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>pos<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u65ad\u8a00\u786e\u4fdd\u4e0d\u662f\u5220\u9664\u54e8\u5175\u4f4d&#xff08;\u54e8\u5175\u4f4d\u7684prev\u548cnext\u90fd\u6307\u5411\u81ea\u8eab&#xff09;<\/span><br \/>\n    <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>pos<span class=\"token operator\">-&gt;<\/span>prev <span class=\"token operator\">!&#061;<\/span> pos<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    LT<span class=\"token operator\">*<\/span> next <span class=\"token operator\">&#061;<\/span> pos<span class=\"token operator\">-&gt;<\/span>next<span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u8bb0\u5f55pos\u7684\u540e\u7ee7\u8282\u70b9<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5efa\u7acbpos\u524d\u540e\u8282\u70b9\u7684\u76f4\u63a5\u94fe\u63a5<\/span><br \/>\n    next<span class=\"token operator\">-&gt;<\/span>prev <span class=\"token operator\">&#061;<\/span> pos<span class=\"token operator\">-&gt;<\/span>prev<span class=\"token punctuation\">;<\/span><br \/>\n    pos<span class=\"token operator\">-&gt;<\/span>prev<span class=\"token operator\">-&gt;<\/span>next <span class=\"token operator\">&#061;<\/span> next<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token function\">free<\/span><span class=\"token punctuation\">(<\/span>pos<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u91ca\u653e\u5185\u5b58<\/span><br \/>\n    pos <span class=\"token operator\">&#061;<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u907f\u514d\u91ce\u6307\u9488<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u4ee3\u7801\u89e3\u6790&#xff1a;<\/p>\n<ul>\n<li>\u53ef\u4ee5\u5220\u9664\u4efb\u610f\u6709\u6548\u8282\u70b9&#xff08;\u9664\u4e86\u54e8\u5175\u4f4d&#xff09;<\/li>\n<li>\u5934\u5220\u64cd\u4f5cLTPopFront\u53ef\u4ee5\u901a\u8fc7LTErase(phead-&gt;next)\u5b9e\u73b0<\/li>\n<li>\u5c3e\u5220\u64cd\u4f5cLTPopBack\u53ef\u4ee5\u901a\u8fc7LTErase(phead-&gt;prev)\u5b9e\u73b0<\/li>\n<\/ul>\n<h5>2.8 \u9500\u6bc1\u94fe\u8868<\/h5>\n<p><span class=\"token comment\">\/\/ \u9500\u6bc1\u94fe\u8868&#xff1a;\u91ca\u653e\u6240\u6709\u8282\u70b9\u5185\u5b58<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">LTDestroy<\/span><span class=\"token punctuation\">(<\/span>LT<span class=\"token operator\">*<\/span> phead<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>phead<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    LT<span class=\"token operator\">*<\/span> pcur <span class=\"token operator\">&#061;<\/span> phead<span class=\"token operator\">-&gt;<\/span>next<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span>pcur <span class=\"token operator\">!&#061;<\/span> phead<span class=\"token punctuation\">)<\/span>  <span class=\"token comment\">\/\/ \u904d\u5386\u6240\u6709\u8282\u70b9<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        LT<span class=\"token operator\">*<\/span> next <span class=\"token operator\">&#061;<\/span> pcur<span class=\"token operator\">-&gt;<\/span>next<span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u5148\u8bb0\u5f55\u4e0b\u4e00\u4e2a\u8282\u70b9<\/span><br \/>\n        <span class=\"token function\">free<\/span><span class=\"token punctuation\">(<\/span>pcur<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>             <span class=\"token comment\">\/\/ \u91ca\u653e\u5f53\u524d\u8282\u70b9<\/span><br \/>\n        pcur <span class=\"token operator\">&#061;<\/span> next<span class=\"token punctuation\">;<\/span>            <span class=\"token comment\">\/\/ \u79fb\u52a8\u5230\u4e0b\u4e00\u4e2a\u8282\u70b9<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token function\">free<\/span><span class=\"token punctuation\">(<\/span>phead<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u91ca\u653e\u54e8\u5175\u4f4d\u8282\u70b9<\/span><br \/>\n    <span class=\"token comment\">\/\/ phead &#061; NULL; \u6b64\u5904\u65e0\u6548&#xff0c;\u56e0\u4e3a\u662f\u5f62\u53c2&#xff0c;\u9700\u8981\u5916\u90e8\u624b\u52a8\u7f6e\u7a7a<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u4ee3\u7801\u89e3\u6790&#xff1a;<\/p>\n<ul>\n<li>\u904d\u5386\u6240\u6709\u8282\u70b9\u5e76\u91ca\u653e\u5185\u5b58&#xff0c;\u5305\u62ec\u54e8\u5175\u4f4d\u8282\u70b9<\/li>\n<li>\u6ce8\u610f\u9700\u8981\u5148\u8bb0\u5f55\u4e0b\u4e00\u4e2a\u8282\u70b9&#xff0c;\u518d\u91ca\u653e\u5f53\u524d\u8282\u70b9<\/li>\n<li>\u51fd\u6570\u5185\u90e8\u5bf9phead\u7f6e\u7a7a\u65e0\u6548&#xff0c;\u9700\u8981\u8c03\u7528\u8005\u5728\u5916\u90e8\u624b\u52a8\u7f6e\u7a7a<\/li>\n<\/ul>\n<h4>3. \u6d4b\u8bd5\u6587\u4ef6 test.c<\/h4>\n<p>\u6d4b\u8bd5\u662f\u4fdd\u8bc1\u4ee3\u7801\u6b63\u786e\u6027\u7684\u91cd\u8981\u73af\u8282&#xff0c;\u6211\u4eec\u7f16\u5199\u6d4b\u8bd5\u7528\u4f8b\u9a8c\u8bc1\u5404\u4e2a\u529f\u80fd\u3002<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;List.h&#034;<\/span><\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u6d4b\u8bd5\u5934\u63d2\u548c\u5934\u5220\u529f\u80fd<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">ListTest01<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    LT<span class=\"token operator\">*<\/span> phead <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">LTInit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u521d\u59cb\u5316\u94fe\u8868<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5934\u63d2\u6d4b\u8bd5<\/span><br \/>\n    <span class=\"token function\">LTPushFront<\/span><span class=\"token punctuation\">(<\/span>phead<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">LTPrint<\/span><span class=\"token punctuation\">(<\/span>phead<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u9884\u671f&#xff1a;\u94fe\u8868&#xff1a;1-&gt;phead<\/span><br \/>\n    <span class=\"token function\">LTPushFront<\/span><span class=\"token punctuation\">(<\/span>phead<span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">LTPrint<\/span><span class=\"token punctuation\">(<\/span>phead<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u9884\u671f&#xff1a;\u94fe\u8868&#xff1a;2-&gt;1-&gt;phead<\/span><br \/>\n    <span class=\"token function\">LTPushFront<\/span><span class=\"token punctuation\">(<\/span>phead<span class=\"token punctuation\">,<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">LTPrint<\/span><span class=\"token punctuation\">(<\/span>phead<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u9884\u671f&#xff1a;\u94fe\u8868&#xff1a;3-&gt;2-&gt;1-&gt;phead<\/span><br \/>\n    <span class=\"token function\">LTPushFront<\/span><span class=\"token punctuation\">(<\/span>phead<span class=\"token punctuation\">,<\/span> <span class=\"token number\">4<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">LTPrint<\/span><span class=\"token punctuation\">(<\/span>phead<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u9884\u671f&#xff1a;\u94fe\u8868&#xff1a;4-&gt;3-&gt;2-&gt;1-&gt;phead<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5934\u5220\u6d4b\u8bd5<\/span><br \/>\n    <span class=\"token function\">LTPopFront<\/span><span class=\"token punctuation\">(<\/span>phead<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">LTPopFront<\/span><span class=\"token punctuation\">(<\/span>phead<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">LTPrint<\/span><span class=\"token punctuation\">(<\/span>phead<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u9884\u671f&#xff1a;\u94fe\u8868&#xff1a;2-&gt;1-&gt;phead<\/span><br \/>\n    <span class=\"token function\">LTPopFront<\/span><span class=\"token punctuation\">(<\/span>phead<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">LTPopFront<\/span><span class=\"token punctuation\">(<\/span>phead<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u6b64\u65f6\u94fe\u8868\u4e3a\u7a7a<\/span><\/p>\n<p>    <span class=\"token function\">LTDestroy<\/span><span class=\"token punctuation\">(<\/span>phead<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u9500\u6bc1\u94fe\u8868<\/span><br \/>\n    phead <span class=\"token operator\">&#061;<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">;<\/span>      <span class=\"token comment\">\/\/ \u5916\u90e8\u624b\u52a8\u7f6e\u7a7a<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u6d4b\u8bd5\u5c3e\u63d2\u3001\u5c3e\u5220\u3001\u67e5\u627e\u3001\u63d2\u5165\u548c\u5220\u9664\u6307\u5b9a\u8282\u70b9\u529f\u80fd<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">ListTest02<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    LT<span class=\"token operator\">*<\/span> phead <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">LTInit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u521d\u59cb\u5316\u94fe\u8868<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5c3e\u63d2\u6d4b\u8bd5<\/span><br \/>\n    <span class=\"token function\">LTPushBack<\/span><span class=\"token punctuation\">(<\/span>phead<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">LTPushBack<\/span><span class=\"token punctuation\">(<\/span>phead<span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">LTPushBack<\/span><span class=\"token punctuation\">(<\/span>phead<span class=\"token punctuation\">,<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">LTPushBack<\/span><span class=\"token punctuation\">(<\/span>phead<span class=\"token punctuation\">,<\/span> <span class=\"token number\">4<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">LTPrint<\/span><span class=\"token punctuation\">(<\/span>phead<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u9884\u671f&#xff1a;\u94fe\u8868&#xff1a;1-&gt;2-&gt;3-&gt;4-&gt;phead<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5c3e\u5220\u6d4b\u8bd5&#xff08;\u6682\u65f6\u6ce8\u91ca&#xff0c;\u6d4b\u8bd5\u5176\u4ed6\u529f\u80fd&#xff09;<\/span><br \/>\n    <span class=\"token comment\">\/\/ LTPopBack(phead);<\/span><br \/>\n    <span class=\"token comment\">\/\/ LTPopBack(phead);<\/span><br \/>\n    <span class=\"token comment\">\/\/ LTPrint(phead);  \/\/ \u9884\u671f&#xff1a;\u94fe\u8868&#xff1a;1-&gt;2-&gt;phead<\/span><br \/>\n    <span class=\"token comment\">\/\/ LTPopBack(phead);<\/span><br \/>\n    <span class=\"token comment\">\/\/ LTPopBack(phead);<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u67e5\u627e\u6d4b\u8bd5<\/span><br \/>\n    LT<span class=\"token operator\">*<\/span> find1 <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">LTFind<\/span><span class=\"token punctuation\">(<\/span>phead<span class=\"token punctuation\">,<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>find1 <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u67e5\u627e\u5931\u8d25 &#xff01;\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">else<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u67e5\u627e\u6210\u529f\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u9884\u671f&#xff1a;\u67e5\u627e\u6210\u529f<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5728\u627e\u5230\u7684\u4f4d\u7f6e\u540e\u63d2\u5165<\/span><br \/>\n    <span class=\"token function\">LTInsert<\/span><span class=\"token punctuation\">(<\/span>find1<span class=\"token punctuation\">,<\/span> <span class=\"token number\">11<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">LTPrint<\/span><span class=\"token punctuation\">(<\/span>phead<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u9884\u671f&#xff1a;\u94fe\u8868&#xff1a;1-&gt;2-&gt;3-&gt;11-&gt;4-&gt;phead<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5728\u7b2c\u4e00\u4e2a\u8282\u70b9\u540e\u63d2\u5165<\/span><br \/>\n    LT<span class=\"token operator\">*<\/span> find2 <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">LTFind<\/span><span class=\"token punctuation\">(<\/span>phead<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">LTInsert<\/span><span class=\"token punctuation\">(<\/span>find2<span class=\"token punctuation\">,<\/span> <span class=\"token number\">11<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">LTPrint<\/span><span class=\"token punctuation\">(<\/span>phead<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u9884\u671f&#xff1a;\u94fe\u8868&#xff1a;1-&gt;11-&gt;2-&gt;3-&gt;11-&gt;4-&gt;phead<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5220\u9664\u6307\u5b9a\u8282\u70b9\u6d4b\u8bd5<\/span><br \/>\n    LT<span class=\"token operator\">*<\/span> find3 <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">LTFind<\/span><span class=\"token punctuation\">(<\/span>phead<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">LTErase<\/span><span class=\"token punctuation\">(<\/span>find3<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">LTPrint<\/span><span class=\"token punctuation\">(<\/span>phead<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u9884\u671f&#xff1a;\u94fe\u8868&#xff1a;11-&gt;2-&gt;3-&gt;11-&gt;4-&gt;phead<\/span><\/p>\n<p>    <span class=\"token function\">LTDestroy<\/span><span class=\"token punctuation\">(<\/span>phead<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u9500\u6bc1\u94fe\u8868<\/span><br \/>\n    phead <span class=\"token operator\">&#061;<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">;<\/span>      <span class=\"token comment\">\/\/ \u5916\u90e8\u624b\u52a8\u7f6e\u7a7a<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ ListTest01();<\/span><br \/>\n    <span class=\"token comment\">\/\/ printf(&#034;\\\\n&#034;);<\/span><br \/>\n    <span class=\"token function\">ListTest02<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u4ee3\u7801\u89e3\u6790&#xff1a;<\/p>\n<ul>\n<li>\u6d4b\u8bd5\u4ee3\u7801\u91c7\u7528\u6a21\u5757\u5316\u8bbe\u8ba1&#xff0c;\u6bcf\u4e2a\u6d4b\u8bd5\u51fd\u6570\u4e13\u6ce8\u4e8e\u6d4b\u8bd5\u7279\u5b9a\u529f\u80fd<\/li>\n<li>ListTest01\u4e3b\u8981\u6d4b\u8bd5\u5934\u63d2\u548c\u5934\u5220\u64cd\u4f5c<\/li>\n<li>ListTest02\u4e3b\u8981\u6d4b\u8bd5\u5c3e\u63d2\u3001\u67e5\u627e\u3001\u6307\u5b9a\u4f4d\u7f6e\u63d2\u5165\u548c\u5220\u9664\u7b49\u64cd\u4f5c<\/li>\n<li>\u6d4b\u8bd5\u65f6\u53ef\u4ee5\u901a\u8fc7\u6ce8\u91ca\u5207\u6362\u4e0d\u540c\u7684\u6d4b\u8bd5\u7528\u4f8b<\/li>\n<li>\u6bcf\u4e2a\u64cd\u4f5c\u540e\u90fd\u6253\u5370\u94fe\u8868\u72b6\u6001&#xff0c;\u4fbf\u4e8e\u89c2\u5bdf\u7ed3\u679c\u662f\u5426\u7b26\u5408\u9884\u671f<\/li>\n<\/ul>\n<h3>\u91cd\u8981\u77e5\u8bc6\u70b9\u603b\u7ed3<\/h3>\n<h4>1. \u54e8\u5175\u4f4d\u7684\u4f5c\u7528<\/h4>\n<table>\n<tr>\u4f18\u52bf\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>\u7edf\u4e00\u64cd\u4f5c<\/td>\n<td>\u4f7f\u7a7a\u94fe\u8868\u548c\u975e\u7a7a\u94fe\u8868\u7684\u64cd\u4f5c\u4fdd\u6301\u4e00\u81f4&#xff0c;\u65e0\u9700\u989d\u5916\u5224\u65ad<\/td>\n<\/tr>\n<tr>\n<td>\u7b80\u5316\u8fb9\u754c\u6761\u4ef6<\/td>\n<td>\u63d2\u5165\u548c\u5220\u9664\u64cd\u4f5c\u4e0d\u9700\u8981\u7279\u6b8a\u5904\u7406\u5934\u8282\u70b9\u548c\u5c3e\u8282\u70b9<\/td>\n<\/tr>\n<tr>\n<td>\u63d0\u9ad8\u4ee3\u7801\u53ef\u8bfb\u6027<\/td>\n<td>\u4f7f\u4ee3\u7801\u903b\u8f91\u66f4\u6e05\u6670&#xff0c;\u51cf\u5c11\u6761\u4ef6\u5224\u65ad<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>2. \u53cc\u5411\u5faa\u73af\u94fe\u8868\u7684\u7279\u70b9<\/h4>\n<ul>\n<li>\u6bcf\u4e2a\u8282\u70b9\u6709\u4e24\u4e2a\u6307\u9488&#xff0c;\u5206\u522b\u6307\u5411\u76f4\u63a5\u524d\u9a71\u548c\u76f4\u63a5\u540e\u7ee7<\/li>\n<li>\u5c3e\u8282\u70b9\u7684next\u6307\u9488\u6307\u5411\u5934\u8282\u70b9&#xff08;\u54e8\u5175\u4f4d&#xff09;<\/li>\n<li>\u5934\u8282\u70b9&#xff08;\u54e8\u5175\u4f4d&#xff09;\u7684prev\u6307\u9488\u6307\u5411\u5c3e\u8282\u70b9<\/li>\n<li>\u53ef\u4ee5\u4ece\u4efb\u610f\u8282\u70b9\u5f00\u59cb\u904d\u5386\u6574\u4e2a\u94fe\u8868<\/li>\n<li>\u63d2\u5165\u548c\u5220\u9664\u64cd\u4f5c\u6548\u7387\u9ad8&#xff0c;\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(1)&#xff08;\u5df2\u77e5\u4f4d\u7f6e\u60c5\u51b5\u4e0b&#xff09;<\/li>\n<\/ul>\n<h4>3. \u4e0e\u5355\u5411\u94fe\u8868\u7684\u5bf9\u6bd4<\/h4>\n<table>\n<tr>\u64cd\u4f5c\u53cc\u5411\u94fe\u8868\u5355\u5411\u94fe\u8868<\/tr>\n<tbody>\n<tr>\n<td>\u67e5\u627e\u524d\u9a71\u8282\u70b9<\/td>\n<td>O(1)<\/td>\n<td>O(n)<\/td>\n<\/tr>\n<tr>\n<td>\u63d2\u5165\u64cd\u4f5c<\/td>\n<td>O(1)&#xff08;\u5df2\u77e5\u4f4d\u7f6e&#xff09;<\/td>\n<td>O(1)&#xff08;\u5df2\u77e5\u524d\u9a71\u4f4d\u7f6e&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u5220\u9664\u64cd\u4f5c<\/td>\n<td>O(1)&#xff08;\u5df2\u77e5\u4f4d\u7f6e&#xff09;<\/td>\n<td>O(n)&#xff08;\u9700\u5148\u627e\u5230\u524d\u9a71&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u5185\u5b58\u5360\u7528<\/td>\n<td>\u8f83\u9ad8&#xff08;\u591a\u4e00\u4e2a\u6307\u9488&#xff09;<\/td>\n<td>\u8f83\u4f4e<\/td>\n<\/tr>\n<tr>\n<td>\u5b9e\u73b0\u590d\u6742\u5ea6<\/td>\n<td>\u8f83\u9ad8<\/td>\n<td>\u8f83\u4f4e<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u6613\u9519\u70b9\u5206\u6790<\/h3>\n<li>\n<p>\u6307\u9488\u64cd\u4f5c\u987a\u5e8f\u9519\u8bef<\/p>\n<ul>\n<li>\u63d2\u5165\u8282\u70b9\u65f6&#xff0c;\u5e94\u5148\u8bbe\u7f6e\u65b0\u8282\u70b9\u7684\u6307\u9488&#xff0c;\u518d\u66f4\u65b0\u539f\u6709\u8282\u70b9\u7684\u6307\u9488<\/li>\n<li>\u9519\u8bef\u7684\u64cd\u4f5c\u987a\u5e8f\u53ef\u80fd\u5bfc\u81f4\u8282\u70b9\u4e22\u5931<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u5185\u5b58\u6cc4\u6f0f<\/p>\n<ul>\n<li>\u5220\u9664\u8282\u70b9\u540e\u5fc5\u987b\u4f7f\u7528free\u91ca\u653e\u5185\u5b58<\/li>\n<li>\u9500\u6bc1\u94fe\u8868\u65f6\u8981\u786e\u4fdd\u6240\u6709\u8282\u70b9&#xff08;\u5305\u62ec\u54e8\u5175\u4f4d&#xff09;\u90fd\u88ab\u91ca\u653e<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u5bf9\u7a7a\u94fe\u8868\u7684\u64cd\u4f5c<\/p>\n<ul>\n<li>\u8fdb\u884c\u5220\u9664\u64cd\u4f5c\u524d\u5fc5\u987b\u786e\u4fdd\u94fe\u8868\u4e0d\u4e3a\u7a7a<\/li>\n<li>\u4f7f\u7528assert(phead-&gt;next !&#061; phead)\u8fdb\u884c\u68c0\u67e5<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u54e8\u5175\u4f4d\u7684\u7279\u6b8a\u5904\u7406<\/p>\n<ul>\n<li>\u7981\u6b62\u5220\u9664\u54e8\u5175\u4f4d\u8282\u70b9<\/li>\n<li>\u54e8\u5175\u4f4d\u7684\u6570\u636e\u57df\u65e0\u5b9e\u9645\u610f\u4e49&#xff0c;\u4e0d\u5e94\u88ab\u8bbf\u95ee\u6216\u4fee\u6539<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u9500\u6bc1\u94fe\u8868\u540e\u672a\u7f6e\u7a7a\u6307\u9488<\/p>\n<ul>\n<li>LTDestroy\u51fd\u6570\u5185\u90e8\u65e0\u6cd5\u5c06\u5916\u90e8\u6307\u9488\u7f6e\u7a7a<\/li>\n<li>\u8c03\u7528\u8005\u5fc5\u987b\u5728\u5916\u90e8\u624b\u52a8\u5c06\u6307\u9488\u7f6e\u7a7a&#xff0c;\u907f\u514d\u91ce\u6307\u9488<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u5faa\u73af\u904d\u5386\u7684\u7ed3\u675f\u6761\u4ef6<\/p>\n<ul>\n<li>\u6b63\u786e\u7684\u7ed3\u675f\u6761\u4ef6\u662fpcur !&#061; phead<\/li>\n<li>\u9519\u8bef\u4f7f\u7528pcur !&#061; 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