Websocket

[swizz one]

I am trying to write a program that sends data over websocket without
having to copy the data in the other side. So far i have written the data
to a buffer of recordbatch. Can i send this data through the websocket
directly.
Someone suggested I do this

GBytes *data = garrow_buffer_get_data(GARROW_BUFFER(buffer));
gsize data_size;
gconstpointer data_raw = g_bytes_get_data(data, &data_size);
write(websocket_fd, data_raw, data_size);
g_bytes_unref(data);

g_object_unref(writer);
g_object_unref(output);
g_object_unref(buffer);

But cant i just send the buffer, in the case i cant, how to i acces tje
bytes from another programming language?