创建动态链表的过程

#include <stdio.h>
#include <malloc.h>

struct weapon {
        int price;
        int atk;
        struct weapon * next;
};

struct weapon * create()
{
        struct weapon * head;
        struct weapon * p1,* p2;
        int n=0;

        p1=p2=(struct weapon *)malloc(sizeof(struct weapon));
        scanf("%d,%d",&p1->price,&p1->atk);

        head = NULL;

        while(p1->price !=0 )
        {
          n++;
          if(n == 1) head = p1;
          else
                p2->next = p1;

          p2 = p1;
          p1 = (struct weapon *)malloc(sizeof(struct weapon));
          scanf("%d,%d",&p1->price,&p1->atk);

        }
   p2->next = NULL;
   return (head);
}

int main(int argc,char * argv[])
{
        struct weapon * p;
        p = create();

        printf("%d,%d\n",p->price,p->atk);

        return 0;
}