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