void count(teacher *head)//统计教师信息
{
teacher *p = head;
这里的teacher *head还有teacher *p =head是什么意思啊?
void count(teacher *head)//统计教师信息
{
teacher *p = head;
这里的teacher *head还有teacher *p =head是什么意思啊?
teacher *head是传参的类型,teacher *p = head是定义一个teacher型的指针指向传入的head