Function pio_lindist3flow_opf_instance_node_at 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn pio_lindist3flow_opf_instance_node_at(
    instance: *const PioCalculationInstance,
    index: usize,
    output: *mut PioLinDist3FlowNodeView,
    error: *mut *mut PioError,
) -> bool

Read a node by zero based position. Strings borrow the instance handle.

Safety

Pointers and handles must satisfy the crate-level safety requirements.