This prepares the loop to process the next block with an initial vector equal to the result of the first block.

于是循环可以用与第一块的结果相等的初始矢量处理下一块。

youdao

If multiple threads attempt to lock a semaphore after the initial call above, they block and their requests are queued until the pthread_mutex_unlock call is performed.

如果多个线程在完成上面的初始调用后尝试锁定信号量，则这些线程会被阻塞，它们的请求进入队列，直到执行pthread _ mutex_unlock调用。

youdao

Try running the command on a C source file -- it should output the entire main() { } block, including the initial "main()" and the closing '}'.

试着对 C 源文件运行该命令 -- 它应该输出整个 main() { } 块，包括开始的 "main()" 和结束的 '}'。

youdao

Messi netted at the start of injury time after an initial block by Forster but Barca could not repeat the last-gasp heroics of Celtic's visit to the Nou Camp last month, when Vilanova's team snatched a 2-1 victory.

CNN: Barca's unbeaten run ended by Celtic

Some lawmakers tried to block Blackstone Group 's much anticipated initial public offering last week, citing investor protection and, in one case, homeland security.

FORBES: Magazine Article

Initially, the projected revenue for Scotland - and hence the cut in block grant - would be calculated by the Treasury with an initial guarantee of financial stability.

BBC: Beware of Greeks bearing gifts