File list of package libpng-dev in bullseye of architecture amd64
/usr/bin/libpng-config
/usr/bin/libpng16-config
/usr/include/libpng
/usr/include/libpng16/png.h
/usr/include/libpng16/pngconf.h
/usr/include/libpng16/pnglibconf.h
/usr/include/png.h
/usr/include/pngconf.h
/usr/include/pnglibconf.h
/usr/lib/x86_64-linux-gnu/libpng.a
/usr/lib/x86_64-linux-gnu/libpng.so
/usr/lib/x86_64-linux-gnu/libpng16.a
/usr/lib/x86_64-linux-gnu/libpng16.so
/usr/lib/x86_64-linux-gnu/pkgconfig/libpng.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/libpng16.pc
/usr/share/doc/libpng-dev/changelog.Debian.gz
/usr/share/doc/libpng-dev/changelog.gz
/usr/share/doc/libpng-dev/copyright
/usr/share/doc/libpng-dev/examples/example.c
/usr/share/doc/libpng-dev/examples/pngtest.c
/usr/share/doc/libpng-dev/examples/pngtest.png
/usr/share/man/man1/libpng-config.1.gz
/usr/share/man/man1/libpng16-config.1.gz