Function read

src/SFML/Audio/SoundFileReaderOgg.cpp:41–45

namespace
{
std::size_t read(void* ptr, std::size_t size, std::size_t nmemb, void* data)
{
    auto* stream = static_cast<sf::InputStream*>(data);
    return stream->read(ptr, size * nmemb).value_or(-1);
}

int seek(void* data, ogg_int64_t signedOffset, int whence)
{