Now we have *str* in the right format and we can go ahead and call libstocks's get_stocks() function: We are done with *str* now, so we can free it. And we allocate a stocks_struct to store the pointer we got back from get_stocks(). Initially the current pointer will point to the first/top element in the linked list. top = stock_quotes; stocks_struct->current = stock_quotes;]]> And finally we register our resource: