for (; i < len; i++) get_byte(bc);
url_fskip(bc, len-i);
static int get_bi(ByteIOContext *bc){   int i, len, val = 0;        len = get_v(bc);    for (i = 0; i < len && i <= 4; i++)        val |= get_byte(bc) << (i * 8);    /* skip remaining bytes */    for (; i < len; i++)        get_byte(bc);    return val;}