Parameter for returning results. Default is transfer full.

The callback is valid until first called.

NULL is ok, both for passing and for returning.

Parameter for input and for returning results. Default is transfer full.

This parameter is a 'user_data', for callbacks; many bindings can pass NULL here.

Don't free data after the code is done.

Parameter points to an array of items.

Generics and defining elements of containers and arrays.

Free data after the code is done.

Override the parsed C type with given type

The callback is valid until the GDestroyNotify argument is called.