Annotation Glossary: Graphene Reference Manual

# Annotation Glossary

### A

array

  Parameter points to an array of items.

### C

constructor

  This symbol is a constructor, not a static method.

### 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.

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.