png_64bit_product  944 third_party/libpng/png.c    png_64bit_product(green_x - red_x, blue_y - red_y, &xy_hi, &xy_lo);
png_64bit_product  945 third_party/libpng/png.c    png_64bit_product(green_y - red_y, blue_x - red_x, &yx_hi, &yx_lo);
png_64bit_product 3768 third_party/libpng/png.h PNG_EXTERN void png_64bit_product PNGARG((long v1, long v2,