Method open

3ds/source/transfer.cpp:265–269

    struct FsFileReader : TransferProto::FileReader {
        std::optional<FSStream> stream;
        bool open(const std::string& absPath) override
        {
            stream.emplace(Archive::sdmc(), StringUtils::UTF8toUTF16(absPath.c_str()), FS_OPEN_READ);
            return stream->good();
        }
        size_t read(void* dst, size_t n) override { return stream ? stream->read(dst, (u32)n) : 0; }
        void close() override
        {