Function pio_module_source_at 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn pio_module_source_at(
    module: *const PioModule,
    index: usize,
    output: *mut PioModuleSourceView,
    error: *mut *mut PioError,
) -> bool

Read one durable source descriptor by zero based position.

Safety

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