For all the rightful criticisms that C gets, GLib does manage to alleviate at least some of it. If we can’t use a better language, we should at least make use of all the tools we have in C with GLib. This post looks at the topic of ownership, and also how it applies to libdex fibers. Ownership In normal C usage, it is often not obvious at all if an object that gets returned from a function (either as a real return value or as an out-parameter) is owned by the caller or the callee: