extern int cfg_pause_on_checksum_error;
extern int cfg_ignore_unknown_block_errors;
extern int cfg_ignore_object_integrity_errors;
extern int cfg_list_contents;
extern int cfg_verbose;
extern int cfg_pause_on_checksum_error;
extern int cfg_ignore_unknown_block_errors;
extern int cfg_ignore_object_integrity_errors;
extern int cfg_list_contents;
extern int cfg_verbose;