void writelist(List list, FILE * html)
{
 if(list!=0){
   writelist(list->next,html);
   fputs("\t\t<tr><td>",html);
   fprintf(html,list->value);
   fputs("</td><td>",html);
   putc(list->count,html);
   fputs("</td></tr>\n",html);
 }    
}