extern BOOL config_changed; /* True if -C used */
extern FILE *config_file; /* Configuration file */
extern uschar *config_filename; /* Configuration file name */
-#ifdef CONFIGURE_GROUP
extern gid_t config_gid; /* Additional group owner */
-#endif
extern int config_lineno; /* Line number */
extern uschar *config_main_filelist; /* List of possible config files */
extern uschar *config_main_filename; /* File name actually used */
extern uschar *config_main_directory; /* Directory where the main config file was found */
-#ifdef CONFIGURE_OWNER
extern uid_t config_uid; /* Additional owner */
-#endif
extern uschar *continue_hostname; /* Host for continued delivery */
extern uschar *continue_host_address; /* IP address for ditto */
extern BOOL continue_more; /* Flag more addresses waiting */