//遍历链表，填充到缓冲区

 char* formatBuf(ListNode* p, char buf[])

 {

     ListNode* tmp = p;

     //处理空链表

     if (tmp == NULL)

     {

         std::cout << "空链表！" << std::endl;

     }

     memset(buf, , sizeof(buf));

     while (tmp->next != NULL)

     {

         tmp = tmp->next;

         //填充到缓冲区

         char tmpStr[];

         sprintf(tmpStr, "%s/%s/%d ", tmp->Name, tmp->ID, tmp->Score);

         strcat(buf, tmpStr);

     }

     return buf;

 }

 //字符流解析

 void parseStr(char* buf, int len)

 {

     //新建链表

     ListNode *head, *node, *ptr;

     head = (ListNode*)malloc(sizeof(ListNode));

     int i =, count = ;

     char* p = buf;//offset ptr

     ptr = head;

     while(p < buf + len)

     {

         char name[];

         char id[];

         unsigned int s;

         //字符串截取

         sscanf(p, "%1s/%5s/%d", name, id, &s);

         //printf("%s %s %d \n", name, id, s);

         //申请空间

         node = (ListNode*)malloc(sizeof(ListNode));

         strcpy(node->Name, name);

         strcpy(node->ID, id);

         node->Score = s;

         ptr->next = node;

         node->next = NULL;

         ptr = node;

         p += ;//指针偏移

     }

     printList(head);

 }