显示文件夹和文件

void show_dir(char *dname)

{

     DIR *dp;

     struct dirent *dentp;

     char buffer[SIZE];

     printf("%s:\n",dname);

     dp = opendir(dname);

     while((dentp = readdir(dp)) != NULL)

     {

            snprintf(buffer,SIZE,"%s/%s",dname,dentp->d_name);

            show_file(buffer);

      }

      printf("\n");

      rewinddir(dp);

      while((dentp = readdir(dp)) != NULL)

      {

             if(!strcmp(dentp->d_name,".") || !strcmp(dentp->d_name,".."))

             { continue; }

             snprintf(buffer,SIZE,"%s/%s",dname,dentp->dname);

              if(is_dir(buffer)) { show_dir(buffer); }

       }

}