设计一种节点，存储学生的姓名，学号，成绩

如题，动态创建十个这样的节点，构成链表
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#include <stdio.h>
typedef struct _snode
{
    char name[20];
    char id[20];
    float cscore;
    unsigned int idx;
    _snode *next;
}sNode,*pSNode;
void create(pSNode head,int count)
{
    pSNode q = head;
    for(int i=0;i<count;i++)
    {
          pSNode p = (pSNode)malloc(sizeof(sNode));
          scanf("%s%s%f",p->name,p->id,&p->cscore);
          p->idx = i;
          p->next = NULL;
          q->next = p;
          q = p;
    }
}
void query(pSNode head,char *name)
{
    if(head == NULL || head->next == NULL)
        return;
    pSNode p = head->next;
    while(p != NULL)
    {
          if(strcmp(p->name,name) == 0)
          {
                printf("姓名:%s\n",p->name);
                printf("学号:%s\n",p->id);
                printf("C成绩:%.1f\n",p->cscore);
                break;
          }
          p = p->next;
    }
}
void print(pSNode head)
{
    if(head == NULL || head->next == NULL)
        return;
    pSNode p = head->next;
    while(p != NULL)
    {
          printf("姓名:%s\t学号:%s\tC成绩:%.1f\t原序号:%d\n",p->name,p->id,p->cscore,p->idx);
          p = p->next;
    }
}
void sort(pSNode head)
{
    if(head == NULL || head->next == NULL)
        return;
    pSNode p = head->next;
    while(p != NULL && p->next != NULL)
    {
        pSNode q = p->next;
        pSNode m = p;
        while(q != NULL)
        {
              if(q->cscore < m->cscore)
                    m = q;
              q = q->next;
        }
        if(m != p)
        {
           char name[20];
           char id[20];
           float cscore;
           unsigned int idx;
          strcpy(name,m->name);
          strcpy(id,m->id);
          cscore = m->cscore;
          idx = m->idx;
          strcpy(m->name,p->name);
          strcpy(m->id,p->id);
          m->cscore = p->cscore;
          m->idx = p->idx;
          strcpy(p->name,name);
          strcpy(p->id,id);
          p->cscore = cscore;
          p->idx = idx;
      }
      p = p->next;
    }
}
int main()
{
    pSNode head = (pSNode)malloc(sizeof(sNode));
    head->next = NULL;
    printf("请分别输入10名学生信息，每行一个学生信息：\n");
    create(head,10);
    rintf("请输入要搜索的学生姓名:");
    char name[20];
    scanf("%s",name);
    query(head,name);
    sort(head);
    printf("排序后信息为:\n");
    print(head);
    return 0;
}