diff --exclude *.o -u --recursive cpio-2.4.2-orig/rmt.c cpio-2.4.2-hacked/rmt.c
--- cpio-2.4.2-orig/rmt.c	Wed Dec 20 16:29:07 1995
+++ cpio-2.4.2-hacked/rmt.c	Sun Feb 11 22:14:38 2001
@@ -75,7 +75,6 @@
 char count[SSIZE], mode[SSIZE], pos[SSIZE], op[SSIZE];
 
 extern errno;
-extern char *sys_errlist[];
 char resp[BUFSIZ];
 
 FILE *debug;
diff --exclude *.o -u --recursive cpio-2.4.2-orig/userspec.c cpio-2.4.2-hacked/userspec.c
--- cpio-2.4.2-orig/userspec.c	Mon Sep 26 22:42:09 1994
+++ cpio-2.4.2-hacked/userspec.c	Sun Feb 11 22:14:37 2001
@@ -82,7 +82,9 @@
 
 #define isdigit(c) ((c) >= '0' && (c) <= '9')
 
+#ifndef strdup
 char *strdup ();
+#endif
 
 /* Return nonzero if STR represents an unsigned decimal integer,
    otherwise return 0. */