-char *base_name __BACKUPFILE_P ((char const *));
-char *find_backup_file_name __BACKUPFILE_P ((char const *));
-enum backup_type get_version __BACKUPFILE_P ((char const *));
-void addext __BACKUPFILE_P ((char *, char const *, int));
+char *find_backup_file_name PARAMS ((char const *, enum backup_type));
+enum backup_type get_version PARAMS ((char const *context, char const *arg));
+enum backup_type xget_version PARAMS ((char const *context, char const *arg));
+void addext PARAMS ((char *, char const *, int));
+
+#endif /* ! BACKUPFILE_H_ */