void irc_part(struct userNode *who, struct chanNode *what, const char *reason);
void irc_topic(struct userNode *service, struct userNode *who, struct chanNode *what, const char *topic);
void irc_fetchtopic(struct userNode *from, const char *to);
void irc_part(struct userNode *who, struct chanNode *what, const char *reason);
void irc_topic(struct userNode *service, struct userNode *who, struct chanNode *what, const char *topic);
void irc_fetchtopic(struct userNode *from, const char *to);