png_unpremultiply 1939 pngwrite.c                    *out_ptr++ = png_unpremultiply(*in_ptr++, alpha, reciprocal);
png_unpremultiply 2061 pngwrite.c                    palette[i].blue = png_unpremultiply(entry[afirst + (2 ^ bgr)],
png_unpremultiply 2063 pngwrite.c                    palette[i].green = png_unpremultiply(entry[afirst + 1], alpha,
png_unpremultiply 2065 pngwrite.c                    palette[i].red = png_unpremultiply(entry[afirst + bgr], alpha,
png_unpremultiply 2071 pngwrite.c                       png_unpremultiply(entry[afirst], alpha, reciprocal);