详细讲述asterisk架构

用来压缩和解压的，以下是部分函数： int compress (Bytef *dest, uLongf *destLen, const Bytef *source, uLong sourceLen); int compress2 (Bytef *dest, uLongf *destLen, const Bytef *source, uLong sourceLen, int level); int uncompress (Bytef *dest, uLongf *destLen, const B