/usr/include/libpng/

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.. <dir> --.--.---- . --- --- ---
png.h 139.52kb 27.11.2022 root rw- r-- r--
pngconf.h 22.27kb 27.11.2022 root rw- r-- r--
pnglibconf.h 7.42kb 27.11.2022 root rw- r-- r--

/usr/include/libpng/

name size date owner mode

.. <dir> --.--.---- . --- --- ---
png.h 139.52kb 27.11.2022 root rw- r-- r--
pngconf.h 22.27kb 27.11.2022 root rw- r-- r--
pnglibconf.h 7.42kb 27.11.2022 root rw- r-- r--