Binary package “liballegro4-dev” in ubuntu focal

development files for the Allegro library

 This package contains the development headers for the Allegro library.
 Allegro is a cross-platform library mainly aimed at video game and multimedia
 programming. It handles common, low-level tasks such as creating windows,
 accepting user input, loading data, drawing images, playing sounds, etc. and
 generally abstracting away the underlying platform.