It's considerably more work to get a piece of software in shape for use as a library. Matching all callocs with frees is not a huge amount of work, but if you k

It's considerably more work to get a piece of software in shape for use as a library. Matching all callocs with frees is not a huge amount of work, but if you know that there's no requirement to do it, you might as well save the typing. Kind of like I admit I often don't active the blinker when nobody is around, because it means a little inconvenience and it requires you to get one hand off the steering wheel, which might be the only one holding it. There are code patterns that allow to code like this in a reusable way. Lookup line allocators. You can allocate resources inside a group and release the group in one fell swoop.