/* ==================Program Description================== */
/* 程序名称：create.c                                      */
/* 程序目的：建立一个单链表                        */
/* Written By Yang yonghu                          */
/* ========================================================*/  
#include <stdio.h>
#define Max 10                /*定义符号常量Max*/
typedef struct stu            /*结点结构声明*/
{
    int    Number;            /*数据编号*/ 
    char   Name[Max];         /*数据名称*/
    struct stu  *Next;       /*指向后继节点的指针*/
}student;

/*---------------------------------------------------------*/
/*输出链表数据                                             */
/*---------------------------------------------------------*/
void  print(student* Head)
{
     student* Pointer;           /*节点声明*/

     Pointer=Head;           /*将Pointer指针设为首节点*/
     while(Pointer!=NULL)    /*判断链表是否结束，如果结束则结束循环*/
     {
          printf("##Input Data##\n");
          printf("Data Number :%d\n",Pointer->Number);/*向终端输出Pointer节点数据编号数据项的值*/
          printf("Data Name: %s\n",Pointer->Name);    /*向终端输出Pointer节点数据名称数据项的值*/
          Pointer=Pointer->Next;                      /*将Pointer指针指向后继节点*/
     }
}
/*-----------------------------------------------------------------*/
/*建立数据                                                         */
/*-----------------------------------------------------------------*/
student * create()
{
     student * Head;
     int   DataNum;                   /*数据编号*/
     char  DataName[Max];             /*数据名称*/
     student *  New;                       /*节点声明*/
     student *  Pointer;                   /*节点声明*/ 
     int   i;                  

     Head=(student*)malloc(sizeof(student)); /*为首节点分配内存空间*/

     if(Head==NULL)
         printf("Memory allocate  failure!!\n"); /*内存配置失败*/
     else
     {
         DataNum=1;                  /*初始数据编号*/
         printf("Please input the data name(Input 0 to Exit): ");
         scanf("%s",DataName);       /*从终端输入数据名称*/ 
                                
         Head->Number=DataNum;       /*给首节点数据编号数据项赋值*/ 
         for(i=0;i<=Max;i++)             
             Head->Name[i]=DataName[i]; /*给首节点数据名称数据项赋值*/
         Head->Next=NULL;               
        
     Pointer=Head;               /*Pointer指针设为首节点*/

         while(1)
         {
           DataNum++;           /*数据编号递增*/
           New=(student*)malloc(sizeof(student)); /*为新节点分配内存*/
           printf("Please input the data name(Input 0 to Exit): ");
           scanf("%s",DataName);  /*从终端输入数据名称*/ 
           if(DataName[0]=='0')   
             break;              /*输入0结束输入*/
           New->Number=DataNum;   /*给新节点数据编号数据项赋值*/
           for(i=0;i<=Max;i++)
               New->Name[i]=DataName[i]; /*给新节点数据名称数据项赋值*/
           New->Next=NULL;
           Pointer->Next=New;        /*将新节点串联在已有链表的尾端*/
           Pointer=New;          /*将Pointer指针指向新节点，即链表尾端节点为新节点*/
         }  
    
     }
     return Head; 
}
/*---------------------------------------------------------*/
/*主程序                                                   */
/*---------------------------------------------------------*/
main()
{
    student *  H;               /*节点声明*/

    H=create();           /*调用链表创建函数创建链表*/
                       
    if(H!=NULL)
        print(H);     /*调用链表输出函数输出链表数据*/
}

给首节点数据名称数据项赋值 时，为什么要用for循环啊，谢谢大家了