-extern void config_add(avl_tree_t *, config_t *);
-extern config_t *config_lookup(avl_tree_t *, char *);
-extern config_t *config_lookup_next(avl_tree_t *, config_t *);
-extern int get_config_bool(config_t *, int *);
-extern int get_config_int(config_t *, int *);
-extern int get_config_string(config_t *, char **);
-extern int get_config_ip(config_t *, ip_mask_t **);
-
-extern int read_config_file(avl_tree_t *, const char *);
-extern int read_server_config(void);
-extern FILE *ask_and_safe_open(const char*, const char*, const char *);
-extern int is_safe_path(const char *);
+extern void config_add(splay_tree_t *, config_t *);
+extern config_t *lookup_config(splay_tree_t *, char *);
+extern config_t *lookup_config_next(splay_tree_t *, const config_t *);
+extern bool get_config_bool(const config_t *, bool *);
+extern bool get_config_int(const config_t *, int *);
+extern bool get_config_string(const config_t *, char **);
+extern bool get_config_address(const config_t *, struct addrinfo **);
+extern bool get_config_subnet(const config_t *, struct subnet_t **);
+
+extern config_t *parse_config_line(char *, const char *, int);
+extern bool read_config_file(splay_tree_t *, const char *);
+extern void read_config_options(splay_tree_t *, const char *);
+extern bool read_server_config(void);
+extern bool read_host_config(splay_tree_t *, const char *);
+extern bool append_config_file(const char *, const char *, const char *);