C语言学习（1）链表

#define _CRT_SECURE_NO_DEPRECATE
#include
#include
//定义链表
typedef struct student
{
	int num;
	int score;
	int age;
	char name[20];
	struct student* next;//指向下一个节点的地址，如果没有下一个节点，指向NULL
}STU;

void link_creat_head(STU** p_head, STU* p_new)//节点连接
{
	STU* p_mov = *p_head;
	if (*p_head == NULL)//判断是否是最后一个节点
	{
		*p_head == p_new;//将
		p_new->next = NULL;
	}
	else
	{
		while (p_mov->next!=NULL)
		{
			p_mov = p_mov->next;
		}
		p_mov->next = p_new;
		p_new->next = NULL;
	}
}
int main()
{
	STU* head = NULL, * p_new = NULL;
	int num, i;
	printf("输入共多少学生:n");
	scanf("%d",&num);
	for (i = 0; i < num; i++)
	{
		p_new = (STU*)malloc(sizeof(STU));
		printf("输入学号，分数，名字:n");
		scanf("%d %d %s", &p_new->num, &p_new->score, p_new->name);
		link_creat_head(&head, p_new);
	}
}