For example you have to allocate a buffer to hold the information you receive. If that's too small, you miss stuff. There is also a lot of intricacy with permis

For example you have to allocate a buffer to hold the information you receive. If that's too small, you miss stuff. There is also a lot of intricacy with permissions and you can mess up a lot when multithreading without knowing how to properly interact with the OS then.