Annotation Glossary

A

allow-none

NULL is OK, both for passing and for returning.

C

closure

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

S

scope notified

The callback is valid until the GDestroyNotify argument is called.

T

transfer full

Free data after the code is done.

transfer none

Don't free data after the code is done.