Function stbi__fill_bits

lite/example/cpp_example/mge/cv/stb_image.h:4532–4541

}

static void stbi__fill_bits(stbi__zbuf* z) {
    do {
        if (z->code_buffer >= (1U << z->num_bits)) {
            z->zbuffer = z->zbuffer_end; /* treat this as EOF so we fail. */
            return;
        }
        z->code_buffer |= (unsigned int)stbi__zget8(z) << z->num_bits;
        z->num_bits += 8;
    } while (z->num_bits <= 24);
}

stbi_inline static unsigned int stbi__zreceive(stbi__zbuf* z, int n) {
    unsigned int k;