Function pio_dc_pf_instance_bus_specification_at 

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

Read one DC power flow bus specification by zero based bus table position.

Safety

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