详细解释:【计】 分程序首部; 程序块首部
英语解释：
名词 block head:
these words are used to express a low opinion of someone's intelligence同义词：dunce, dunderhead, numskull, blockhead, bonehead, lunkhead, hammerhead, knucklehead, loggerhead, muttonhead, shithead, dumbass, fuckhead