stdother_details.html

标准c/c++帮助文档

<strong><span style='mso-bidi-font-size:10.5pt;font-family:宋体;mso-hansi-font-family:
"Times New Roman"'>功能：</span></strong><span style='font-size:10.5pt;font-family:
"Times New Roman";mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:
EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA'> </span><span
style='font-size:10.5pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";
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'>宏</span><span lang=EN-US style='font-size:10.5pt;
mso-bidi-font-size:12.0pt;font-family:"Times New Roman";mso-fareast-font-family:
宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;
mso-bidi-language:AR-SA'>assert()</span><span style='font-size:10.5pt;
mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";
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'>用于错误检测。如果表达式的结果为零，宏写错误信息到</span><span lang=EN-US
style='font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman";
mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;
mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA'>STDERR</span><span
style='font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family:
"Times New Roman";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'>并退出程序执行。如果宏</span><span lang=EN-US
style='font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman";
mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;
mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA'>NDEBUG</span><span
style='font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family:
"Times New Roman";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'>已经定义，宏</span><span lang=EN-US style='font-size:
10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman";mso-fareast-font-family:
宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;
mso-bidi-language:AR-SA'>assert()</span><span style='font-size:10.5pt;
mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";
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'>将被忽略。</span><span lang=EN-US style='font-size:10.5pt;
mso-bidi-font-size:12.0pt;font-family:"Times New Roman";mso-fareast-font-family:
宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;
mso-bidi-language:AR-SA'><o:p></o:p></span>

<p class=MsoNormal><i><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>相关主题</span><span lang=EN-US>:</span></i><span
lang=EN-US><br>
<span><a href="#abort"><b><span style='color:purple'>abort()</span></b></a> </span><o:p></o:p></span></p>


<div class=MsoNormal align=center style='text-align:center'><span lang=EN-US>

<hr size=2 width="100%" align=center>

</span></div>


<h2><span lang=EN-US><a name="atexit">atexit</a> <o:p></o:p></span></h2>

<p class=MsoNormal><i><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>语法</span><span lang=EN-US>:</span></i><span
lang=EN-US> <o:p></o:p></span></p>

<table border=0 cellpadding=0 bgcolor="#ccccff" style='mso-cellspacing:1.5pt;
 background:#CCCCFF'>
 <tr>
  <td width=295 style='width:221.6pt;padding:.75pt .75pt .75pt .75pt'><strong><span
  lang=EN-US><![if !supportEmptyParas]>&nbsp;<![endif]><o:p></o:p></span></strong><strong><span
  lang=EN-US><span style="mso-spacerun: yes">&nbsp; </span>#include
  &lt;stdlib.h&gt;<o:p></o:p></span></strong><strong><span lang=EN-US><span
  style="mso-spacerun: yes">&nbsp; </span>int atexit( void (*func)(void) );<o:p></o:p></span></strong></td>
 </tr>
</table>

<strong><span style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'>功能：</span>
</strong><span style='font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:
宋体;mso-ascii-font-family:"Times New Roman";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'>当程序终止执行时，</span><span
style='font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;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'>函数</span><span
style='font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family:
"Times New Roman";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'>调用函数指针</span><span lang=EN-US style='font-size:
10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman";mso-fareast-font-family:
宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;
mso-bidi-language:AR-SA'>func</span><span style='font-size:10.5pt;mso-bidi-font-size:
12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";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'>所指向的函数。可以执行多重调用</span><span
lang=EN-US style='font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman";
mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;
mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA'>(</span><span
style='font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family:
"Times New Roman";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'>至少</span><span lang=EN-US style='font-size:10.5pt;
mso-bidi-font-size:12.0pt;font-family:"Times New Roman";mso-fareast-font-family:
宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;
mso-bidi-language:AR-SA'>32</span><span style='font-size:10.5pt;mso-bidi-font-size:
12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";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'>个</span><span
lang=EN-US style='font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman";
mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;
mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA'>)</span><span
style='font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family:
"Times New Roman";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'>，这些函数以其注册的倒序执行。执行成功返回零值，失败则返回非零值。</span><span
style='font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman";
mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;
mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA'> <span lang=EN-US><o:p></o:p></span></span>

<p class=MsoNormal><i><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>相关主题</span><span lang=EN-US>:</span></i><span
lang=EN-US><br>
<span><a href="#exit"><b><span style='color:purple'>exit()</span></b></a> and <a
href="#abort"><b><span style='color:purple'>abort()</span></b></a>. </span><o:p></o:p></span></p>


<div class=MsoNormal align=center style='text-align:center'><span lang=EN-US>

<hr size=2 width="100%" align=center>

</span></div>


<h2><span lang=EN-US><a name="bsearch">bsearch</a> <o:p></o:p></span></h2>

<p class=MsoNormal><i><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>语法</span><span lang=EN-US>:</span></i><span
lang=EN-US> <o:p></o:p></span></p>

<table border=0 cellpadding=0 bgcolor="#ccccff" style='mso-cellspacing:1.5pt;
 background:#CCCCFF'>
 <tr>
  <td style='padding:.75pt .75pt .75pt .75pt'><strong><span lang=EN-US><![if !supportEmptyParas]>&nbsp;<![endif]><o:p></o:p></span></strong><strong><span
  lang=EN-US><span style="mso-spacerun: yes">&nbsp; </span>#include
  &lt;stdlib.h&gt;<o:p></o:p></span></strong><strong><span lang=EN-US><span
  style="mso-spacerun: yes">&nbsp; </span>void *bsearch( const void *key, const
  void *buf, size_t num, size_t size, int (*compare)(const void *, const void
  *) );<o:p></o:p></span></strong></td>
 </tr>
</table>

<strong><span style='font-family:宋体;mso-hansi-font-family:"Times New Roman"'>功能：</span>
</strong><span style='font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:
宋体;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'>函数</span><span style='font-size:10.5pt;mso-bidi-font-size:
12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";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'>用折半查找法在从数组元素</span><span
lang=EN-US style='font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman";
mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;
mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA'>buf[0]</span><span
style='font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family:
"Times New Roman";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'>到</span><span lang=EN-US style='font-size:10.5pt;
mso-bidi-font-size:12.0pt;font-family:"Times New Roman";mso-fareast-font-family:
宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;
mso-bidi-language:AR-SA'>buf[num-1] </span><span style='font-size:10.5pt;
mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";
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'>匹配参数</span><span lang=EN-US style='font-size:10.5pt;
mso-bidi-font-size:12.0pt;font-family:"Times New Roman";mso-fareast-font-family:
宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;
mso-bidi-language:AR-SA'>key</span><span style='font-size:10.5pt;mso-bidi-font-size:
12.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";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'>。如果函数</span><span
lang=EN-US style='font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman";
mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;
mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA'>compare </span><span
style='font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family:
"Times New Roman";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'>的第一个参数小于第二个参数，返回负值；如果等于返回零值；如果大于返回正值。数组</span><span
lang=EN-US style='font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman";
mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;
mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA'>buf </span><span
style='font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family:
"Times New Roman";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'>中的元素应以升序排列。函数</span><span lang=EN-US
style='font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman";
mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;
mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA'>bsearch()</span><span
style='font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family:
"Times New Roman";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'>的返回值是指向匹配项，如果没有发现匹配项，返回</span><span lang=EN-US
style='font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman";
mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;
mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA'>NULL</span><span
style='font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:宋体;mso-ascii-font-family:
"Times New Roman";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'>。</span><span style='font-size:10.5pt;
mso-bidi-font-size:12.0pt;font-family:"Times New Roman";mso-fareast-font-family:
宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;
mso-bidi-language:AR-SA'> <span lang=EN-US><o:p></o:p></span></span>

<p class=MsoNormal><i><span style='font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>相关主题</span><span lang=EN-US>:</span></i><span
lang=EN-US><br>
<span><a href="#qsort"><b><span style='color:purple'>qsort()</span></b></a>. </span><o:p></o:p></span></p>


<div class=MsoNormal align=center style='text-align:center'><span lang=EN-US>

<hr size=2 width="100%" align=center>

</span></div>


<h2><span lang=EN-US><a name="exit">exit</a> <o:p></o:p></span></h2>