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<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>#include <stdio.h> <br>
#include <stdlib.h> <br>
#include <string.h>
<p>int sort_function( const void *a, const void *b);
<p>char list[5][4] = { "cat", "car", "cab", "cap", "can" }; <br>
<p>int main(void) <br>
{ <br>
int x;
<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>int sort_function( const void *a, const void *b) <br>
{ <br>
return( strcmp(a,b) ); <br>
} <br>
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