Deleting a middle node from a single linked list when pointer to the previous node is not available

Question

Is it possible to delete a middle node in the single linked list when the only information available we have is the pointer to the node to be deleted and not the pointer to

Answer 1

void delself(list *list)
{
   /*if we got a pointer to itself how to remove it...*/
   int n;

   printf("Enter the num:");

   scanf("%d",&n);

   while(list->next!=NULL)
   {
       if(list->number==n) /*now pointer in node itself*/
       {
           list->number=list->next->number;
           /*copy all(name,rollnum,mark..) data of next to current, disconect its next*/
           list->next=list->next->next;
       }
       list=list->next;
   }
}