libloadpng4-dev 2:4.4.3.1-3 (riscv64 binary) in ubuntu kinetic

 This package contains the development headers for libloadpng.
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 This add-on for Allegro will allow you to load and save PNG images using
 standard Allegro image handling functions as if they were normal bitmaps.
 .
 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.