Function stbi__bit_reverse

lite/example/cpp_example/mge/cv/stb_image.h:4451–4456

}

stbi_inline static int stbi__bit_reverse(int v, int bits) {
    STBI_ASSERT(bits <= 16);
    // to bit reverse n bits, reverse 16 and shift
    // e.g. 11 bits, bit reverse and shift away 5
    return stbi__bitreverse16(v) >> (16 - bits);
}

static int stbi__zbuild_huffman(stbi__zhuffman* z, const stbi_uc* sizelist, int num) {
    int i, k = 0;