程序代码：

#include <stdio.h>
#include<stdlib.h>
struct student
{
    int id;
    char name[20];
    student * next;
};
void  list(student * list)
{
    student * p = list;
    //p=list-next;
    while(p)
    {
        printf("%d,%s\n",p->id,p->name);
        p=p->next;
    }
}
int main()
{
    student str ;
    str = {
        {1,"aaa"};
        {2,"bbb"};
        {3,"ccc"};
        {4,"ddd"};
    }
    
    return 0;
}