潭浩强的c程序设计书上有

#include <iostream>

using namespace std;

static int Compare(const void *p1, const void *p2);

int main()
{
      const char* words[] = {
              "wgmmdp",
              "ccc",
              "winner",
              "zzz",
              "knptw",
              "jmptw",
              "losty",
              "knrux",
              "lnsty",
              NULL //保证有指针数组结尾标记
        };
      int len = 0;
      int i = 0;
      while (words[i])//求words的长度
      {
            len++;
            i++;
      }
      cout << "排序前：" << endl;
      for (i=0; i<len; i++)
            cout << words[i] << endl;
            
      qsort(words, len, sizeof(words[0]), Compare);//将words[]按递增排序

      cout << "排序后：" << endl;
      for (i=0; i<len; i++)
            cout << words[i] << endl;
    getchar();
    return 0;
}

static int Compare(const void *p1, const void *p2)
{
    return (strcmp(*(char**)p1, *(char**)p2));
}

使用数组指针指向二维数组(char)型