Similarly, C offers only straightforward, single-thread control flow: tests, loops, grouping, and subprograms, but not multiprogramming, parallel operations, synchronization, or coroutines.

• 类似地，C只提供单线程的控制流：测试、循环、组合和子程序。它不提供多道程序设计、并行操作、同步和协同例程。