Function AUGraphGetNodeCount 

pub unsafe extern "C-unwind" fn AUGraphGetNodeCount(
    in_graph: AUGraph,
    out_number_of_nodes: NonNull<u32>,
) -> i32

👎Deprecated: AUGraph is deprecated in favor of AVAudioEngine

Available on crate feature AUGraph only.

The number of nodes in an AUGraph

Parameter inGraph: the AUGraph object

Parameter outNumberOfNodes: the number of nodes

Safety

• in_graph must be a valid pointer.
• out_number_of_nodes must be a valid pointer.