--- Libc/Libc-583/stdlib/FreeBSD/getsubopt.c
+++ Libc/Libc-320/stdlib/FreeBSD/getsubopt.c
@@ -35,10 +35,11 @@
 static char sccsid[] = "@(#)getsubopt.c	8.1 (Berkeley) 6/4/93";
 #endif /* LIBC_SCCS and not lint */
 #include <sys/cdefs.h>
-__FBSDID("$FreeBSD: src/lib/libc/stdlib/getsubopt.c,v 1.6 2004/02/23 03:30:02 ache Exp $");
+__FBSDID("$FreeBSD: src/lib/libc/stdlib/getsubopt.c,v 1.5 2003/01/03 23:31:50 tjr Exp $");
 
 #include <stdlib.h>
 #include <string.h>
+#include <unistd.h>
 
 /*
  * The SVID interface to getsubopt provides no way of figuring out which