PerfBuffer常规用法：structaddrinfo//需要上传给应用层的数据结构{intai_flags;/*Inputflags.*/intai_family;/*Protocolfamilyforsocket.*/intai_socktype;/*Sockettype.*/intai_protocol;/*Protocolforsocket.*/u32ai_addrlen;/*Lengthofsocketaddress.*///CHANGEDfromsocklen_tstructsockaddr*ai_addr;/*Socketaddressforsocket.*/char*ai_
