Get Nth element from a linked list

int GetNth(struct node* head, int index) {

struct node* current = head;

int count = 0;

while (current != NULL) {

if (count == index) return(current->data);

count++;

current = current->next;

}

assert(0); // if we get to this line, the caller was asking

// for a non-existent element so we assert fail.

}