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<title>数 据 结 构</title>
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<p class="MsoNormal" style="text-indent: 0" align="center"><b><span style="mso-bidi-font-size: 10.0pt; mso-hansi-font-family: Times New Roman; mso-bidi-font-family: Times New Roman; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA" lang="EN-US"><font face="宋体" size="6" color="#FFFF00">4.3
</font></span><span style="mso-bidi-font-size: 10.0pt; font-family: 宋体; mso-ascii-font-family: 黑体; mso-hansi-font-family: Times New Roman; mso-bidi-font-family: Times New Roman; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"><font size="6" color="#FFFF00">串的堆存储结构</font></span></b></p>
<h4><b><font size="5" color="#FFFFFF"><span lang="EN-US" style="font-family:"Times New Roman"">4.3.1</span><span lang="EN-US" style="font-family:黑体">
</span></font><span style="mso-bidi-font-size: 10.0pt; font-family: 宋体; mso-ascii-font-family: 黑体; mso-hansi-font-family: Times New Roman; mso-bidi-font-family: Times New Roman; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"><font size="5" color="#FFFFFF">串名的存储映象</font></span></b></h4>
<h4><b><font size="5" color="#FFFFFF"><span style="font-family: 黑体" lang="EN-US">
</span><span style="font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">串名的存储映象是串名－串值内存分配对照表,也称为索引表。表的形式有多种表示,如设</span><span lang="EN-US">s1=</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"">＂</span><span lang="EN-US">abcdef</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">＂</span><span style="font-family: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">,</span><span lang="EN-US">s2=</span><span style="font-family:
宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">＂</span><span lang="EN-US">hij</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"">＂,常见的串名－串值存储映象索引表有如下几种：</span></font></b><span lang="EN-US"><b><font size="5" color="#FFFFFF"> <o:p>
</o:p>
</font></b></span></h4>
<p class="MsoNormal" style="margin-left: 0"><span lang="EN-US"><font size="5" color="#FFFFFF"><b>1.
</b></font></span><font size="5" color="#FFFFFF"><b><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">带串长度的索引表 </span></b></font></p>
<p class="MsoNormal" style="margin-left:21.0pt"><b><font size="5" color="#FFFFFF"><span style="font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">如下图</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"">所示，索引项的结点类型为：</span></font></b></p>
<p class="MsoNormal" style="margin-left: 21.0pt; margin-top: 0; margin-bottom: 0"><span lang="EN-US"><b><font size="5" color="#FFFFFF">typedef<span style="mso-spacerun: yes">
</span>struct</font></b></span></p>
<p class="MsoNormal" style="margin-left: 21.0pt; margin-top: 0; margin-bottom: 0"><span lang="EN-US"><span style="mso-spacerun: yes"><font size="5" color="#FFFFFF"><b> </b></font></span><font size="5" color="#FFFFFF"><b>{<span style="mso-spacerun: yes">
</span>char<span style="mso-spacerun: yes"> </span>name[MAXNAME];</b></font></span><font size="5" color="#FFFFFF"><b><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman""> </span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">/*</span><span style="mso-bidi-font-size: 10.0pt; font-family: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">串名</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">*/<o:p>
</o:p>
</span></b></font></p>
<p class="MsoNormal" style="text-indent: 21.75pt; margin-left: 21.0pt; margin-top: 0; margin-bottom: 0"><b><font size="5" color="#FFFFFF"><span lang="EN-US">int
length;</span><span style="font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman""> </span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">/*</span><span style="mso-bidi-font-size: 10.0pt; font-family: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">串长</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">*/<o:p>
</o:p>
</span></font></b></p>
<p class="MsoNormal" style="text-indent: 21.75pt; margin-left: 21.0pt; margin-top: 0; margin-bottom: 0"><b><font size="5" color="#FFFFFF"><span lang="EN-US">char
*stradr;<span style="mso-spacerun: yes"> </span></span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">/*</span><span style="mso-bidi-font-size: 10.0pt; font-family: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">起始地址</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">*/<o:p>
</o:p>
</span></font></b></p>
<p class="MsoNormal" style="text-indent: 27.0pt; margin-top: 0; margin-bottom: 0"><span lang="EN-US"><b><font size="5" color="#FFFFFF">}
LNode;</font></b></span></p>
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<p class="MsoNormal" style="text-indent: 0"><span lang="EN-US"><font size="5" color="#FFFFFF"><b>2.
</b></font></span><font size="5" color="#FFFFFF"><b><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">末尾指针的索引表</span></b></font></p>
<p class="MsoNormal" style="margin-left:21.0pt"><b><font size="5" color="#FFFFFF"><span style="font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">如下图</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"">所示，索引项的结点类型为：</span></font></b></p>
<p class="MsoNormal" style="margin-left: 21.0pt; margin-top: 0; margin-bottom: 0"><span lang="EN-US"><b><font size="5" color="#FFFFFF">typedef<span style="mso-spacerun: yes">
</span>struct</font></b></span></p>
<p class="MsoNormal" style="margin-left: 21.0pt; margin-top: 0; margin-bottom: 0"><span lang="EN-US"><span style="mso-spacerun: yes"><font size="5" color="#FFFFFF"><b> </b></font></span><font size="5" color="#FFFFFF"><b>{<span style="mso-spacerun: yes">
</span>char<span style="mso-spacerun: yes"> </span>name[MAXNAME];<span style="mso-spacerun: yes">
</span>/*</b></font></span><font size="5" color="#FFFFFF"><b><span style="font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">串名</span><span lang="EN-US">*/</span></b></font></p>
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*stradr,*enadr;</span><span style="font-family:宋体;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman""> </span>
<span lang="EN-US">/*</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"">起始地址，末尾地址</span><span lang="EN-US">*/</span></font></b><span lang="EN-US"><b><font size="5" color="#FFFFFF"> <o:p>
</o:p>
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<p class="MsoNormal" style="text-indent: 27.0pt; margin-top: 0; margin-bottom: 0"><span lang="EN-US"><b><font size="5" color="#FFFFFF">}
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