-extern aConfClass *find_class(unsigned int cclass);
-extern aConfClass *make_class(void);
-extern void free_class(aConfClass * tmp);
-extern unsigned int get_con_freq(aConfClass * clptr);
-extern unsigned int get_client_ping(aClient *acptr);
-extern unsigned int get_conf_class(aConfItem *aconf);
-extern unsigned int get_client_class(aClient *acptr);
+extern struct ConfClass *find_class(unsigned int cclass);
+extern struct ConfClass *make_class(void);
+extern void free_class(struct ConfClass * tmp);
+extern unsigned int get_con_freq(struct ConfClass * clptr);
+extern unsigned int get_client_ping(struct Client *acptr);
+extern unsigned int get_conf_class(struct ConfItem *aconf);
+extern unsigned int get_client_class(struct Client *acptr);