linux 创建动态链表尾插法两种方法

#include 
#include 
 
struct Test 
{
	int data;
	struct Test *next;
};
 
void printflink(struct Test *head)
{
	struct Test *p=head;
	while(p != NULL){
		printf("%d ",p->data);
		p=p->next;
	}
	putchar('n');
}
 
struct Test *sf1(struct Test *new,struct Test *head)//第一种函数分装
{
	struct Test *p=head;
	if(p == NULL){
		head=new;
		return head;
	}
	while(p->next != NULL){
		p=p->next;
	}
	p->next=new;
	return head;
}

struct Test *dwc(struct Test *head)//第二种
{
	struct Test *p=head;
	int i=0;
	int j=0;
	struct Test *new=NULL;
	while(1){
		new=(struct Test *)malloc(sizeof(struct Test));
		printf("plese input your numbern");
		scanf("%d",&(new->data));
		if(new->data == 0){
			free(new);
			return head;
		}

		head=sf1(new,head);
	}
}

int main()
{
	struct Test *head=NULL;
	
	head=dwc(head);
	printflink(head);
 
	return 0;
}