What is the error in last 3 lines of the if statement

#1

void insertatthemiddle(node*&head, int data , int p)
{
if(head == NULL || p == 0)
{
insertathead(head,data);
}
else if(p > length(head))
{
insertattail(head,data);
}
else
{
int jump = 1;
node *temp = head;
while(jump <= p-1)
{
temp = temp -> next;
jump +=1;
}
node *n = new node(data);
n->next = temp -> next ;
temp -> next = n;
}
return;
}

#2

It must be else if(p >= length(head))
I cannot see any more error in this function. Change the one that i have mentioned and then check.
If still there is error,then please save your complete code on ide.codingblocks.com and share its link.

#3

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