Binary package “libnanopb-dev” in ubuntu oracular

Protocol Buffers with small code size, development files

 Plain-C implementation of Google's Protocol Buffers data format. It is
 targeted at 32 bit microcontrollers, but is also fit for other embedded
 systems with tight (<10 kB ROM, <1 kB RAM) memory constraints.
 .
 This package contains the development files (headers, static library).