stock StringToHex(string[])
{   
   new ret, val, i;   
    if (string[0] == '0' && (string[1] == 'x' || string[1] == 'X')) i = 2;   
     while (string[i])
     {   
      ret <<= 4;   
      val = string[i++] - '0';   
      if (val > 0x09) val -= 0x07;   
      if (val > 0x0F) val -= 0x20;   
      if (val < 0x01) continue;   
      if (val < 0x10) ret += val;   
     }   
return ret;   
}