Function pio_emit 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn pio_emit(
    module: *const PioModule,
    format: *const c_char,
    format_len: usize,
    destination: *const PioDestination,
    error: *mut *mut PioError,
) -> *mut PioEmitResult

Emit one module as a grid exchange format.

Safety

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