6. What is the error in the following program segment Explain in detail what will happen if it is not fixed? #include using namespace std; void main() { struct link int info: link next;}; link top, curr, prev, *ptr: int ival; A missing segment of code builds a linked list with top as a pointer to the top. cin >> ival; prev 0; curr-top: while (curr && curr->info - ival) { prev curr; curr if (curr) { curr->next; } prev->next curr->next; delete curr;}