Annotation Glossary

A

array

Parameter points to an array of items.

I

inout

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

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.

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.