extern config_t *add_config_val(config_t **, int, char *);
extern int read_config_file(const char *);
extern const config_t *get_config_val(which_t type);
extern const config_t *get_next_config_val(which_t type, int);
extern config_t *add_config_val(config_t **, int, char *);
extern int read_config_file(const char *);
extern const config_t *get_config_val(which_t type);
extern const config_t *get_next_config_val(which_t type, int);