void add_invite(struct Client *cptr, struct Channel *chptr);
int number_of_zombies(struct Channel *chptr);
-extern const char* find_no_nickchange_channel(struct Client* cptr);
+extern const char* find_no_nickchange_channel(struct Client* cptr, const char* new_nick);
extern struct Membership* find_channel_member(struct Client* cptr, struct Channel* chptr);
extern int member_can_send_to_channel(struct Membership* member, int reveal);
extern int client_can_send_to_channel(struct Client *cptr, struct Channel *chptr, int reveal);