png_chunk_unknown_handling  268 pngpread.c        else if ((keep = png_chunk_unknown_handling(png_ptr, chunk_name)) != 0)
png_chunk_unknown_handling 1383 pngpriv.h      PNG_INTERNAL_FUNCTION(int,png_chunk_unknown_handling,
png_chunk_unknown_handling  142 pngread.c            else if ((keep = png_chunk_unknown_handling(png_ptr, chunk_name)) != 0)
png_chunk_unknown_handling  770 pngread.c         if (!png_chunk_unknown_handling(png_ptr, png_IDAT))
png_chunk_unknown_handling  796 pngread.c            else if ((keep = png_chunk_unknown_handling(png_ptr, chunk_name)) != 0)
png_chunk_unknown_handling 2783 pngrutil.c              keep = png_chunk_unknown_handling(png_ptr, png_ptr->chunk_name);