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<title>网上学堂 --> C语言编程宝典之一 -->函数名: q</title>
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<td bgcolor="#FFE6B0" bordercolor="#8080FF" class="p9"><font
color="#BB0000">导航条：--></font> <a
href="../../index.html">网上学堂</a> --> <a
href="../tcindex.htm"><font face="宋体">C</font>语言编程宝典之一</a>
-->函数名: q</td>
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<td bordercolor="#8080FF" class="p9"><p>函数名: qsort <br>
功 能: 使用快速排序例程进行排序 <br>
用 法: void qsort(void *base, int nelem, int
width, int (*fcmp)()); <br>
程序例: </p>
<p>#include <stdio.h> <br>
#include <stdlib.h> <br>
#include <string.h> </p>
<p>int sort_function( const void *a, const void *b); </p>
<p>char list[5][4] = { "cat", "car",
"cab", "cap", "can" }; <br>
</p>
<p>int main(void) <br>
{ <br>
int x; </p>
<p> qsort((void *)list, 5, sizeof(list[0]),
sort_function); <br>
for (x = 0; x < 5; x++) <br>
printf("%s\n",
list[x]); <br>
return 0; <br>
} </p>
<p>int sort_function( const void *a, const void *b) <br>
{ <br>
return( strcmp(a,b) ); <br>
} </p>
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