PNG_IMAGE_VERSION   34 contrib/examples/pngtopng.c       image.version = PNG_IMAGE_VERSION;
PNG_IMAGE_VERSION 3060 contrib/libtests/pngstest.c    image->image.version = PNG_IMAGE_VERSION;
PNG_IMAGE_VERSION   52 example.c            image.version = PNG_IMAGE_VERSION;
PNG_IMAGE_VERSION 1274 pngread.c            image->version = PNG_IMAGE_VERSION;
PNG_IMAGE_VERSION 1429 pngread.c         if (image != NULL && image->version == PNG_IMAGE_VERSION)
PNG_IMAGE_VERSION 1459 pngread.c         if (image != NULL && image->version == PNG_IMAGE_VERSION)
PNG_IMAGE_VERSION 1528 pngread.c         if (image != NULL && image->version == PNG_IMAGE_VERSION)
PNG_IMAGE_VERSION 4036 pngread.c         if (image != NULL && image->version == PNG_IMAGE_VERSION)
PNG_IMAGE_VERSION 2328 pngwrite.c        if (image != NULL && image->version == PNG_IMAGE_VERSION)
PNG_IMAGE_VERSION 2378 pngwrite.c        if (image != NULL && image->version == PNG_IMAGE_VERSION)