异步返回尚未完全“设置”(或处理)的结果的最佳方式是什么

Alright, I honestly have tried looking up "Asynchronous Functions in C" (Results are for C# exclusively), but I get nothing for C. So I'm going to ask it here, but if there are better, already asked questions on StackExchange or what-have-you, please direct me to them.Alright, I honestly have tried looking up "Asyn