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<HTML><HEAD>   <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=gb2312">   <META NAME="Author" CONTENT="wdg">   <META NAME="GENERATOR" CONTENT="Mozilla/4.03 [en] (Win95; I) [Netscape]">   <TITLE>fq</TITLE></HEAD><BODY>&nbsp;<P>函数名: qsort<BR>功&nbsp; 能: 使用快速排序例程进行排序<BR>用&nbsp; 法: void qsort(void *base, int nelem, int width, int (*fcmp)());<BR>程序例:<P>#include &lt;stdio.h><BR>#include &lt;stdlib.h><BR>#include &lt;string.h><P>int sort_function( const void *a, const void *b);<P>char list[5][4] = { "cat", "car", "cab", "cap", "can" };<BR>&nbsp;<P>int main(void)<BR>{<BR>&nbsp;&nbsp; int&nbsp; x;<P>&nbsp;&nbsp; qsort((void *)list, 5, sizeof(list[0]), sort_function);<BR>&nbsp;&nbsp; for (x = 0; x &lt; 5; x++)<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; printf("%s\n", list[x]);<BR>&nbsp;&nbsp; return 0;<BR>}<P>int sort_function( const void *a, const void *b)<BR>{<BR>&nbsp;&nbsp; return( strcmp(a,b) );<BR>}<BR>&nbsp;<P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<A HREF="index.html">返回目录</A><BR>&nbsp;<BR>&nbsp;</BODY></HTML>

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