png_image_read_header 1440 pngread.c                  return png_safe_execute(image, png_image_read_header, image);
png_image_read_header 1471 pngread.c                     return png_safe_execute(image, png_image_read_header, image);
png_image_read_header 1543 pngread.c                  return png_safe_execute(image, png_image_read_header, image);