png_libpng_ver    180 3rdparty/libpng/png.c          if (user_png_ver[i] != png_libpng_ver[i])
png_libpng_ver    182 3rdparty/libpng/png.c       } while (png_libpng_ver[i++]);
png_libpng_ver    195 3rdparty/libpng/png.c       if (user_png_ver == NULL || user_png_ver[0] != png_libpng_ver[0] ||
png_libpng_ver    196 3rdparty/libpng/png.c           (user_png_ver[0] == '1' && user_png_ver[2] != png_libpng_ver[2]) ||
png_libpng_ver    206 3rdparty/libpng/png.c          pos = png_safecat(m, sizeof m, pos, png_libpng_ver);