Function libflac_sys::FLAC__metadata_object_picture_set_data

pub unsafe extern "C" fn FLAC__metadata_object_picture_set_data(
    object: *mut FLAC__StreamMetadata, 
    data: *mut FLAC__byte, 
    length: FLAC__uint32, 
    copy: FLAC__bool
) -> FLAC__bool