util to dump rtmp streams

这是一个对rtmp协议封装的一个库源码，需要自己编译-the rtmp protocol of package

研究rtmpdump的源码，需要openssl，和zlib，这个就是zlib源码，此代码对于研究rtmpdump很有帮助-Openssl research rtmpdump source, needs, and zlib, this is the zlib source code, the code for studying rtmpdump very helpful