Oh and how do I know it didn't use malloc()? Because we were running short on memory when using it. Why was that? Well, they had to store about one thousand

Oh and how do I know it didn't use malloc()? Because we were running short on memory when using it. Why was that? Well, they had to store about one thousand 6-digit unit IDs. So they made the unit ID an int and created a UNIT_ID[1000000] array that I don't think was ever made it to 2% used.