Index: src/include/stdlib.h
diff -u src/include/stdlib.h:1.2 src/include/stdlib.h:1.3
--- src/include/stdlib.h:1.2	Sat Dec 30 03:12:37 1995
+++ src/include/stdlib.h	Sat Dec 28 01:32:59 1996
@@ -190,6 +190,10 @@
 long	 nrand48 __P((unsigned short[3]));
 unsigned short *seed48 __P((unsigned short[3]));
 void	 srand48 __P((long));
+
+u_int32_t arc4random __P((void));
+void	arc4random_stir __P((void));
+void	arc4random_addrandom __P((u_char *, int));
 #endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */
 
 __END_DECLS