+int append __P((char **));
+void badfmt __P((void));
+int compare __P((char *));
+int contents __P((char **));
+int delete __P((char **));
+void error __P((char *));
+int extract __P((char **));
+char *files __P((char **argv));
+int move __P((char **));
+void orphans __P((char **argv));
+int print __P((char **));
+int replace __P((char **));
+char *rname __P((char *));
+int tmp __P((void));