-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 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_connection_config(struct connection_t *);
+extern bool append_config_file(const char *, const char *, const char *);
+extern FILE *ask_and_open(const char *, const char *, const char *);
+extern bool is_safe_path(const char *);
+extern bool disable_old_keys(FILE *);