南瓜碱 CUcoroutine（C + ucontext + coroutine）是ucontext.h实现的协程并发。 样品 # include # include " aio.h " # include " async_event.h " # include " async_channel.h " async_chan_t *chan; void writer1 ( void *data) { printf ( " writer1 isd %d \n " , async_react