用C语言实现的一个链表的插入程序，每输入一个数，将其插入链表的最后的位置，用户可选择插入数据或结束插入，结束插入后程序将链表打印出来。-Using C language to achieve a list of plug-ins, each enter a number, to be inserted in the location of the final list, the user may choose to insert the data or the end of insertion,