+extern int read_config_file(config_t **, const char *);
+extern const config_t *get_config_val(config_t *, which_t type);
+extern void clear_config();
+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 *);