ring_buffer_read
size_t ring_buffer_read(struct ring_buffer *buffer, uint8 *data, ssize_t length);
return ring_buffer_read(fBuffer, (uint8*)buffer, size);
size_t bytesRead = ring_buffer_read(buffer->buffer, data, length);
bytesRead = ring_buffer_read(fBuffer, (uint8*)data, size);
ring_buffer_read(sDebugSyslogBuffer, buffer, bytesReadable);