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

out

Parameter for returning results. Default is transfer full.

out caller-allocates

Out parameter, where caller must allocate storage.

T

transfer full

Free data after the code is done.

transfer none

Don't free data after the code is done.