Annotation Glossary

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

NULL is ok, both for passing and for returning.

Don't free data after the code is done.

Free data after the code is done.

Override the parsed C type with given type.

Parameter for returning results. Default is transfer full.

The callback is valid until first called.

Generics and defining elements of containers and arrays.