Install libsdl2-net-2.0-0 by entering the following commands in the terminal:
sudo apt update sudo apt install libsdl2-net-2.0-0
Description:
Network library for Simple DirectMedia Layer 2, libraries
This is a small, low-level, cross-platform networking library, that can be used with the Simple DirectMedia Layer library. . This package contains the shared library.
Homepage: http://www.libsdl.org/projects/SDL_net/
Version: 2.0.1+dfsg1-3
Section: universe/libs