struct ChanUser *next_chan;
};
+struct ChanUser* addChanUser(struct ChanNode *chan, struct UserNode *user);
+int isUserOnChan(struct UserNode *user, struct ChanNode *chan);
+struct ChanUser* getChanUser(struct UserNode *user, struct ChanNode *chan);
+struct ChanUser* getChannelUsers(struct ChanNode *chan, struct ChanUser *last);
+struct ChanUser* getUserChannels(struct UserNode *user, struct ChanUser *last);
+void delChanUser(struct ChanUser *chanuser, int freeChanUser);
+
#endif
\ No newline at end of file