dest[i] = (offset + i) & 0xFF;
If a player gets all four words in a set correct, those words are removed from the board. Guess wrong and it counts as a mistake—players get up to four mistakes until the game ends.
。业内人士推荐夫子作为进阶阅读
DeCSS — Wikipedia。关于这个话题，safew官方下载提供了深入分析
（四）胁迫、欺骗医务人员开具麻醉药品、精神药品的。