C语言单链表问题,详细的实现了单链表的功能,并且还有录入文件的功能,删除文件内容的功能,通过单链表可以实现文件的录入,删除,查找,浏览,修改等功能.-C language singly linked lists, realized the function of singly linked list in detail, and the function of the input file, delete the file content function, through singly lin