What is num_exif in png_get_eXIf_1?

Ben Bullock <[email protected]> Fri, 11 Dec 2020 14:07:18 +0900

Newsgroups	gmane.comp.graphics.png.devel
Message-ID	<CAN5Y6m9dVp6AA+COOfDMdpAtjoojbuFG5wcG+WwL4J+E3fmgcA@mail.gmail.com>

What is the num_exif parameter?

It doesn't appear to be documented.

http://www.libpng.org/pub/png/libpng-manual.txt

just says

png_get_eXIf_1(png_ptr, info_ptr, &num_exif, &exif);

                     (PNG_INFO_eXIf)

    exif           - Exif profile (array of png_byte)

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