#include "stdio.h"
#include "malloc.h"
struct Node* current = NULL; //声明的一个全局变量表示的是链表的尾部
struct Node
{
int value;
struct Node* next; //下一个节点
};
void addNode(struct Node *node) //添加一个节点
{
current->next = node;
current = current->next;
}
void readNode(struct Node *first) //遍历链表
{
struct Node* temp = first;
while(temp != NULL)
{
printf("%d\n", temp->value);
temp = temp->next;
}
}
int main()
{
struct Node* first = (struct Node*)malloc(sizeof(struct Node));
first->value = 1;
first->next = NULL;
current = first;
struct Node* node = (struct Node*)malloc(sizeof(struct Node));
node->value = 2;
node->next = NULL;
addNode(node);
node = (struct Node*)malloc(sizeof(struct Node));
node->value = 3;
node->next = NULL;
addNode(node);
node = (struct Node*)malloc(sizeof(struct Node));
node->value = 4;
node->next = NULL;
addNode(node);
readNode(first);
getchar();
return 0;
}