linux 下尾插法

#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 *wcf(struct Test *head,struct Test *new,int data)
{
	struct Test *p=head;
	while(p != NULL){
		if(p->data == data){
			new->next=p->next;
			p->next=new;
			printf("yesn");
            return head;
		}
		p=p->next;
	}
    return head;
}

int main()
{
	struct Test p1={1,NULL};
    struct Test p2={2,NULL};
    struct Test p3={3,NULL};
    struct Test p4={4,NULL};
    struct Test p5={5,NULL};

    struct Test new={101,NULL};
	
    p1.next=&p2;
    p2.next=&p3;
    p3.next=&p4;
    p4.next=&p5;

    struct Test *head=&P1;

    head=wcf(head,&new,1);
    
    printflink(head);

	return 0;
}