C language raindrop simulation, a complete process is decomposed into several small parts, each can run independently for beginners to learn c language to achieve more complex data structure.

• 语言实现雨滴模拟，一个完整的过程分解为好几个小部分，各自可以独立运行，方便初学者学习c语言实现较为复杂的数据结构。