slnodetype *Delete(slnodetype *Head,int key){}中if(Head->number==key)
{
Head=Pointer->next;
free(Pointer);
break;
}
Back = Pointer;
Pointer=Pointer->next;
if(Pointer->number==key)
{
Back->next=Pointer->next;
free(Pointer);
break;
}
void delete(Node* p)
{
if(Head = Node)
while(p)
}