stdother_details.html

标准c/c++帮助文档

<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=283 style='width:212.6pt;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>void exit( int exit_code );<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'>终止程序的执行。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'>exit_code </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'>传递给返回值，通常零值表示正常结束，非零值表示应错误返回。</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="#atexit"><b><span style='color:purple'>atexit()</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="getenv">getenv</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=319 style='width:239.6pt;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>char *getenv( const char *name );<o:p></o:p></span></strong></td>
 </tr>
</table>

<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-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;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'>返回环境变量</span><i><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'>name</span></i><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'>的值，非常依赖执行情况。如果无对应的</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'>环境变量</span><i><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'>name</span></i><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'>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="#system"><b><span style='color:purple'>system()</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="longjmp">longjmp</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=391 style='width:293.6pt;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;setjmp.h&gt;<o:p></o:p></span></strong><strong><span lang=EN-US><span
  style="mso-spacerun: yes">&nbsp; </span>void longjmp( jmp_buf envbuf, int
  status );<o:p></o:p></span></strong></td>
 </tr>
</table>

<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-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;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'>使程序从前次对</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'><a href="#setjmp"><span style='color:purple'>setjmp()</span></a></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'>的调用处继续执行。参数</span><i><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'>envbuf</span></i><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'>一般通过调用</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'><a href="#setjmp"><span style='color:purple'>setjmp()</span></a></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'>设定。参数</span><i><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'>status</span></i><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'>为</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'><a href="#setjmp"><span style='color:purple'>setjmp()</span></a></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，用来指示不同地点</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'>longjmp()</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'>的执行</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'>. <i>status</i> </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'>不能设定为零。</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="#setjmp"><b><span style='color:purple'>setjmp()</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="qsort">qsort</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>