conf_12 check:

class datacheck:
    type : (type?, [0,...,3], {2, 7, 19}, <x, >x)
    length
    funcptr

    datachekc(type, typedef, length, ptr):
        funcpotr = ptr

    check(*data):
        actdata = funcpotr(data)
        switch(type):
            case a: return actdata > typedef[0]
            case b: return (actdata > typedef[0]) && (actdata < typedef[1])


map [pos] -> datacheck(0, [0,7], 16, (data) => return (data << 4) | (data >> 4))
map [pos+16] -> datacheck(0, [0,7], 16, (data) => return (data << 4) | (data >> 4))

map [pos] -> datacheck(1, [0], 8*16, (data) => uint8_t x = 0; for (int i = 0; i < 16; ++i) x | data[i]; return !x;)


func a(pos):
    return map[pos]

pos not per byte but bit


a(pos).check


confch3ck():
    isok = True
    extralen = 0
    chk;
    for(int i = 0; i < (int)sizeof(conf_12) * 8;):
        chk = map[i]
        res = chk.check(&(((unsigned char *)conf_12)[i]))
        i+=chk.length;
        
        if not res:
            isok = False
            break;
    if chk.type == set;
        print("is fucked at byte x / bit y with length chk.length it is not part of set [chk.typedef]")