Answer Posted / shruti

to delete an element.
enter the position of the element to be deleted.
-> pos.

structure of node is

struct node
{
int data;
struct node *prev , *next;
}

//home is the starting pointer of hte list.
struct node * delete(struct node *home , int pos)
{
temp = home;
if(pos == 1)
{
temp = home;
home = home -> next;
free(temp);
}

temp = home;
p = home;

for(i = 0 ; i < pos ; i++)
{
p = p -> next;
}

temp = p -> next;
temp1 = temp -> next;

p -> next = temp1;
temp1 -> prev = p

free(temp);
}

return home;
}

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