test

struct msgStruct
2 {
3   uint instanceid;// 0 if it is directed to the server
4   byte datasize;// the actual amount of data. the rest is to be ignored
5   byte msgType;// 0 request for conversation, 1 normal message, 2 user-online check, 3 reply to a server request
6   byte body[MAX_MSG_SIZE];
7 }