如果链表的节点为：typedef struct node

{

double data;

struct node *next;

}Node; 则可以这样写： double avgfun(Node *h){ int n=0; double count=0; Node *p;

p = (Node *)malloc(sizeof(Node));

p = h;

while(p->next!=NULL)

{

p = p->next;

count += p->data; n++;

} return count/n;}