Libpng-Dev

• libpng-config(1) get information about installed libpng library
• libpng(3) Portable Network Graphics (PNG) Reference Library 1.6.39
• libpng16-config(1) get information about installed libpng library
• libpngpf(3) Portable Network Graphics (PNG) Reference Library 1.6.39
• png(5) Portable Network Graphics (PNG) format