Annotation Glossary

A

allow-none

NULL is OK, both for passing and for returning.

N

nullable

NULL may be passed as the value in, out, in-out; or as a return value.

O

optional

NULL may be passed instead of a pointer to a location.

out

Parameter for returning results. Default is transfer full.

S

skip

Exposed in C code, not necessarily available in other languages.

T

transfer full

The caller owns the data, and is responsible for free it.

transfer none

The data is owned by the callee, which is responsible of freeing it.

type

Override the parsed C type with given type.