Method find

lib/vfs/prodos.cc:89–96

    public:
        std::shared_ptr<ProdosDirent> find(const std::string& filename)
        {
            for (auto& dirent : dirents)
                if (dirent->filename == filename)
                    return dirent;

            throw FileNotFoundException();
        }

    private:
        uint16_t readDirectoryBlock(uint16_t block)